Journal Description
Horticulturae
Horticulturae
is an international, peer-reviewed, open access journal published monthly online by MDPI. The Spanish Society of Horticultural Sciences (SECH) is affiliated with Horticulturae and its members receive a discount on the article processing charges.
- Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
- High Visibility: indexed within Scopus, SCIE (Web of Science), PubAg, AGRIS, FSTA, and other databases.
- Journal Rank: JCR - Q1 (Horticulture) / CiteScore - Q2 (Horticulture)
- Rapid Publication: manuscripts are peer-reviewed and a first decision is provided to authors approximately 14.7 days after submission; acceptance to publication is undertaken in 2.6 days (median values for papers published in this journal in the second half of 2023).
- Recognition of Reviewers: reviewers who provide timely, thorough peer-review reports receive vouchers entitling them to a discount on the APC of their next publication in any MDPI journal, in appreciation of the work done.
Impact Factor:
3.1 (2022);
5-Year Impact Factor:
3.4 (2022)
Latest Articles
Different Parts of a Dendrocalamus brandisii (Munro) Kurz Shoot, Rather Than the Shoot’s Height, Are More Indicative of Its Nutrient Properties
Horticulturae 2024, 10(5), 438; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050438 (registering DOI) - 24 Apr 2024
Abstract
Bamboo shoots are considered as a healthy food and are popular in Asian cooking. The distribution of nutrients and their dynamics during the growth of bamboo shoots play a crucial role in guiding the harvesting and processing of bamboo shoots. In this study,
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Bamboo shoots are considered as a healthy food and are popular in Asian cooking. The distribution of nutrients and their dynamics during the growth of bamboo shoots play a crucial role in guiding the harvesting and processing of bamboo shoots. In this study, Dendrocalamus brandisii (Munro) Kurz, an important bamboo species for harvesting fine edible shoots in southern China and Southeast Asia, was used to measure several indicators related to the edibility and nutritional value of fresh shoots across five height grades (H1: 20~30 cm; H2: 31~40 cm; H3: 41~50 cm; H4: 51~60 cm; and H5: 61~70 cm). The results indicated that, although the nutrient and mineral elements showed an increasing (crude fiber content, CFC), decreasing (total soluble sugars content, TSSC; ash content, AC; Fe; Zn), or fluctuating (soluble protein content, SPC; P; K; Ca) pattern with the growth of bamboo shoots, both the CFC and TSSC showed the highest values in the lower part at five growth heights, indicating that carbohydrates were mainly enriched in the bases of bamboo shoots. The SPC, AC, and other mineral elements were higher in the upper part, especially in H1–H3. Combined with the relatively high activity of metabolic enzymes (sucrose-phosphate synthase, SPS; neutral invertase, NI) in the upper part of bamboo shoots (although not statistically significant), it can be inferred that the shoot tip may be the main tissue for early nutrient synthesis and metabolism. Compared with the shoot height, different parts of a D. brandisii bamboo shoot are more indicative of its nutrient properties. Although all heights of bamboo shoots showed an abundance of nutrients and mineral elements, bamboo shoots with a height of less than 40 cm had a higher TSSC, AC, Fe, and Zn, and a lower CFC, thus having a better balance between nutrients and edibility.
Full article
(This article belongs to the Section Plant Nutrition)
Open AccessFeature PaperArticle
Exploring Leaf Anthocyanin Concentrations and Light Effects on Lettuce Growth Leaf
by
Peyton Lou Palsha, Marc W. van Iersel, Ryan William Dickson, Lynne Seymour, Melanie Yelton and Rhuanito Soranz Ferrarezi
Horticulturae 2024, 10(5), 437; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050437 (registering DOI) - 24 Apr 2024
Abstract
Anthocyanins are secondary metabolites classified as water-soluble, non-photosynthetic pigments with the potential ability to shield chloroplasts from excess light energy. This study investigated the morphological and physiological responses of six lettuce (Lactuca sativa) cultivars with different leaf anthocyanin contents grown in
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Anthocyanins are secondary metabolites classified as water-soluble, non-photosynthetic pigments with the potential ability to shield chloroplasts from excess light energy. This study investigated the morphological and physiological responses of six lettuce (Lactuca sativa) cultivars with different leaf anthocyanin contents grown in a greenhouse under different supplemental photosynthetic photon flux densities (PPFD). Cultivars ‘Cherokee’, ‘Teodore’, ‘Rex’, and ‘Rouxai’ decreased in specific leaf area with increasing PPFD, respectively. We observed that growth in cultivars with higher leaf anthocyanin content (‘Cherokee’ and ‘Rouxai’) increased with increasing PPFD. Light use efficiency (LUE) is an important physiological parameter affecting biomass accumulation, and cultivars ‘Cherokee’, ‘Rex’, ‘Teodore’, and ‘Rouxai’ had the highest LUE and shoot weight. We found that red lettuce varieties, especially ‘Cherokee’ and ‘Rouxai’, showed increased shoot dry weight as light intensity increased. Interestingly, these varieties also had the highest anthocyanin levels in their leaves. This suggests that higher anthocyanin content might contribute to the increased shoot dry weight under higher light intensity, although this was mainly evident in ‘Cherokee’.
Full article
(This article belongs to the Special Issue LED Lighting to Control Plants’ Growth and Development)
Open AccessArticle
Evaluation of Growth, Yield and Bioactive Compounds of Ethiopian Kale (Brassica carinata A. Braun) Microgreens under Different LED Light Spectra and Substrates
by
Ruth Nyambura Maru, John Wesonga, Hiromu Okazawa, Agnes Kavoo, Johnstone O. Neondo, Dickson Mgangathweni Mazibuko, Sarvesh Maskey and Francesco Orsini
Horticulturae 2024, 10(5), 436; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050436 (registering DOI) - 24 Apr 2024
Abstract
Microgreens are innovative vegetable products whose production and consumption are gaining popularity globally thanks to their recognized nutraceutical properties. To date, the effects of lighting conditions and growing substrate on the performances of Brassica carinata microgreens (indigenous to Africa) remain underexplored. The present
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Microgreens are innovative vegetable products whose production and consumption are gaining popularity globally thanks to their recognized nutraceutical properties. To date, the effects of lighting conditions and growing substrate on the performances of Brassica carinata microgreens (indigenous to Africa) remain underexplored. The present study aimed at providing insights into the influence of different lighting treatments provided by LEDs, namely monochromatic blue (B), red (R), cool white (W) and a combination of three color diodes (B + R + W), and substrates (cocopeat, sand and cocopeat–sand mix (v/v) (1:1)) on the growth, yield and bioactive compounds of B. carinata microgreens. Seeds were germinated in dark chambers and cultivated in growth chambers equipped with LED lighting systems for 14 days under a fixed light intensity of 160 ± 2.5 µmol m−2 s−1 and photoperiod of 12 h d−1. The best performances were associated with the spectrum that combined B + R + W LEDs and with substrate resulting from the cocopeat–sand mix, including the highest yield (19.19 g plant−1), plant height (9.94 cm), leaf area (68.11 mm2) and canopy cover (55.9%). Enhanced carotenoid and flavonoid contents were obtained with B + R + W LEDs, while the B LED increased the total amount of chlorophyll (11,880 mg kg−1). For plants grown under B + R + W LEDs in cocopeat, high nitrate levels were observed. Our results demonstrate that substrate and light environment interact to influence the growth, yield and concentration of bioactive compounds of B. carinata microgreens.
Full article
(This article belongs to the Special Issue Effects of Light Quantity and Quality on Horticultural Crops)
Open AccessArticle
Sweet Cherry Fruit Firmness Evaluation Using Compression Distance Methods
by
Maria Karageorgiadou, Maria Rodovitou, Elpida Nasiopoulou, Vaia Styliani Titeli and Michail Michailidis
Horticulturae 2024, 10(5), 435; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050435 - 24 Apr 2024
Abstract
Flesh firmness in sweet cherries is determined using the measurement of normalized deformation force, i.e., determining the required force for a distance equal to 5 or 10% of the diameter of the cherries per millimeter. However, a firmness method involving a defined distance
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Flesh firmness in sweet cherries is determined using the measurement of normalized deformation force, i.e., determining the required force for a distance equal to 5 or 10% of the diameter of the cherries per millimeter. However, a firmness method involving a defined distance is quite simple and suitable for easy applications. Hence, our study focuses on the impact of fruit physiology under various and fixed distances. To assess the firmness evaluation, two sweet cherry cultivars (Canada Giant and Regina) were selected and subjected to three different levels of compression distance equal to 1%, 5%, 10% of the fruit’s small thickness dimension along with a consistent compression distance of 0.16 mm. There was a strong correlation between panelists’ preferences and the fruit that had been subjected to both a 1% deformation force and a fixed distance of 0.16 mm within each cultivar. Physiological traits, membrane integrity, and the metabolome of the fruit in these categories were mostly unaffected by the control (0%), or 1%, deformation force, as shown by clustering and PCA analysis. The control and 1% deformation force groups showed similar patterns, contrary to those of the 5% and 10% deformation force groups. Given these considerations, a fixed distance of 0.16 mm and a minimal 1% deformation force possess the potential to be employed and implemented for monitoring the firmness of sweet cherries during postharvest preservation.
Full article
(This article belongs to the Special Issue Recent Advancements in Postharvest Fruit Quality and Physiological Mechanism)
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Open AccessArticle
Olive Anthracnose in Portugal Is Still Mostly Caused by Colletotrichum nymphaeae, but C. acutatum Is Spreading and C. alienum and C. cigarro Are Reported for the First Time
by
Ana Cabral, Teresa Nascimento, Helena G. Azinheira, Andreia Loureiro, Pedro Talhinhas and Helena Oliveira
Horticulturae 2024, 10(5), 434; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050434 - 24 Apr 2024
Abstract
Olive anthracnose, caused by Colletotrichum fungi, is responsible for major fruit yield losses and poor olive oil quality worldwide. In the Mediterranean basin, some Colletotrichum spp. appear to be replacing others, possibly due to climate change and modification in cultural systems. To update
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Olive anthracnose, caused by Colletotrichum fungi, is responsible for major fruit yield losses and poor olive oil quality worldwide. In the Mediterranean basin, some Colletotrichum spp. appear to be replacing others, possibly due to climate change and modification in cultural systems. To update the situation in Portugal, 525 olive groves were surveyed throughout the country over two years, revealing a decrease in disease incidence, associated with scarcer rainfall and new cropping systems using less susceptible cultivars. A collection of 212 isolates was obtained, and phylogenetic analyses using a multi-locus sequencing approach (five and six loci in the acutatum and gloeosporioides species complex, respectively) revealed the presence of seven Colletotrichum species within the collection. Compared to surveys conducted in the first decade of the 21st century, the species composition of olive anthracnose pathogens in Portugal remains mostly unchanged, with C. nymphaeae as the prevalent species, followed by C. godetiae, but with C. acutatum geographically expanding and with C. alienum and C. cigarro being reported for the first time as causal agents of olive anthracnose in Portugal. A close attention to pathogen population shifts, in the context of climate change and modification of cultivation systems, is fundamental for anticipating plant protection measures.
Full article
(This article belongs to the Special Issue The Diagnosis, Management, and Epidemiology of Plant Diseases)
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Open AccessReview
Global Perspectives on the Medicinal Implications of Green Walnut and Its Benefits: A Comprehensive Review
by
Shaikh Ayaz Mukarram, Sangram S. Wandhekar, Abdelhakam Esmaeil Mohamed Ahmed, Szilvia Várallyay, Vinay Kumar Pandey, Prokisch József and Kovács Bela
Horticulturae 2024, 10(5), 433; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050433 - 24 Apr 2024
Abstract
Green walnuts have been valued for their health and medicinal effects for many years. Green walnuts have several bioactive metabolites, including polyphenols, flavonoids, and tannins, that have antioxidant, anti-inflammatory, antimicrobial, and anticancer properties. With previous records of increased inclination towards natural or botanical
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Green walnuts have been valued for their health and medicinal effects for many years. Green walnuts have several bioactive metabolites, including polyphenols, flavonoids, and tannins, that have antioxidant, anti-inflammatory, antimicrobial, and anticancer properties. With previous records of increased inclination towards natural or botanical sources of therapeutics, green walnuts have regained the uniqueness of therapeutic prominence globally. This comprehensive review provides a deep understanding of the use of green walnut (Juglans regia L.) around the globe and shows its potential pharmacological benefits. It explores the different therapeutic and medicinal uses of green walnuts, including their historical use in traditional medicine throughout different continents and regions, including Asia, Europe, America, Africa, and the Middle East. This review also provides the substantial studies conducted on green walnuts, which investigate the bioactive substances found in various parts of the walnut tree, including the kernel, shell, leaves, shoots, bark, and roots, indulging in their health advantages. It also diversifies the antibacterial, antioxidant, anti-inflammatory, cardiovascular, and antihypertensive activities of the green walnut, which clearly shows the prospective use of the walnut in nutraceutical and medicinal applications. This review continues by emphasizing the necessity for further research to focus on and attract global researchers to aim for a detailed understanding of the pharmacological implications of green walnuts and enhance their use in traditional and modern medicine.
Full article
(This article belongs to the Section Medicinals, Herbs, and Specialty Crops)
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Open AccessArticle
Rotational Strip Bean and Celery Intercropping Alters the Microbial Community to Improve Crop Yield and Soil Nutrients
by
Shuang Li, Tao Yuan, Musawar Ibrahim and Fengzhi Wu
Horticulturae 2024, 10(5), 432; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050432 - 24 Apr 2024
Abstract
Rotational strip intercropping involves the strategic combination of stubble intercropping and the rotational placement of intercropped strips, which can improve crop yield. Here, we evaluated the effects of rotational strip bean (Phaseolus vulgaris L.) and celery (Apium graveolens L.) intercropping with
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Rotational strip intercropping involves the strategic combination of stubble intercropping and the rotational placement of intercropped strips, which can improve crop yield. Here, we evaluated the effects of rotational strip bean (Phaseolus vulgaris L.) and celery (Apium graveolens L.) intercropping with bed ratios of 1:1 and 2:2 on crop yield, soil microbial community and nutrition. The 1:1 ratio of rotational strip bean and celery intercropping had a higher yield than the 2:2 ratio. The 1:1 rotational strip intercropping markedly improved the nitrate nitrogen and available phosphorus contents of the beans, and the nitrate nitrogen and available potassium contents of the celery. The 2:2 rotational strip intercropping reduced the bacterial α diversity of the beans, and the 1:1 and 2:2 rotational strip intercropping enhanced the fungal α diversity of both the beans and the celery. Both planting patterns also altered the microbial communities found on the bean and celery plants. Microorganisms enriched in the rhizosphere of the bean and celery plants significantly increased the soil nutrient content and yield in the 1:1 rotational strip intercropping, and included the genera Achromobacter, Luteibacter, Stenotrophomonas, Fusarium, Flavobacterium and Preussia in the bean rhizosphere, and Alternaria, Arthrographis and Pluteus, Sphingopyxis and Clostridium_sensu_stricto_1 in the celery rhizosphere.
Full article
(This article belongs to the Section Protected Culture)
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Open AccessArticle
Impact of Wood-Boring Larvae of Xylotrechus arvicola (Coleoptera: Cerambycidae) on Mechanical Properties of Vitis vinifera Plants
by
Daniela Ramírez-Lozano, Andrea Antolín-Rodríguez, Guzmán Carro-Huerga, Laura Zanfaño, Pedro A. Casquero, Marcos Guerra, Andrés Juan-Valdés and Álvaro Rodríguez-González
Horticulturae 2024, 10(5), 431; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050431 - 24 Apr 2024
Abstract
Xylotrechus arvicola represents a significant insect pest impacting Vitis vinifera within the principal wine-producing territories of the Iberian Peninsula. The larvae of this species bore into grapevine wood, resulting in significant structural and biomechanical deterioration to the plant. Compressive and flexural tests were
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Xylotrechus arvicola represents a significant insect pest impacting Vitis vinifera within the principal wine-producing territories of the Iberian Peninsula. The larvae of this species bore into grapevine wood, resulting in significant structural and biomechanical deterioration to the plant. Compressive and flexural tests were conducted to assess the mechanical properties of wood affected by X. arvicola. Compressive and flexural strength exhibited a decline with the escalation of the Total Damaged Surface Area (TDSA) of the samples, ranging from 0.31% to 0.73% in trunks and from 0.04 to 0.76% in branches, irrespective of the wood moisture content (fresh and dry). The most significant reduction in resistance occurred in affected dry trunks and branches. Notably, the deflection at break for dry samples was lower compared to fresh samples (65.00 and 97.85 mm, respectively). Moreover, the deflection at break for affected fresh samples (164.37 mm) significantly surpassed that of unaffected fresh samples (72.58 mm) and affected dry samples (37.50 mm). It is noteworthy that a higher percentage of TDSA coincided with diminished wood resistance. The percentage of fungal growth symptoms observed in affected wood samples was 66.66% for dry trunks, 75.00% for fresh branches, and 60.00% for dry branches. The damage inflicted by larvae facilitated the spread of grapevine diseases via emergence of holes created by insects upon exiting the wood and through the larval galleries connected to them. This damage also altered the mechanical properties of grapevine plants, with fresh branches exhibiting the most pronounced effects.
Full article
(This article belongs to the Section Insect Pest Management)
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Open AccessArticle
Kaempferia sakolchaii sp. nov. and K. phuphanensis var. viridans var. nov. (Zingiberaceae), Two New Taxa from Northeastern Thailand
by
Piyaporn Saensouk, Surapon Saensouk, Thawatphong Boonma, Sarayut Rakarcha, Pathomthat Srisuk and Vincent O. Imieje
Horticulturae 2024, 10(5), 430; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050430 - 24 Apr 2024
Abstract
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An examination of the diversity of Zingiberaceae in Thailand led to the discovery of two undescribed taxa within the genus Kaempferia: K. sakolchaii P. Saensouk, Saensouk & Boonma, a newly described species, and K. phuphanensis var. viridans P. Saensouk, Saensouk & Boonma,
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An examination of the diversity of Zingiberaceae in Thailand led to the discovery of two undescribed taxa within the genus Kaempferia: K. sakolchaii P. Saensouk, Saensouk & Boonma, a newly described species, and K. phuphanensis var. viridans P. Saensouk, Saensouk & Boonma, a novel variety. Additionally, our investigation encompassed the chromosome numbers, karyotypes, and pollen morphological characteristics of these taxa. Both taxa share a chromosome number of 2n = 22, accompanied by distinctive karyotype patterns. Kaempferia sakolchaii displays a karyotype of 12m + 10sm chromosomes, while K. phuphanensis var. viridans presents a karyotype of 10m + 10sm + 2st chromosomes. The pollen grains of K. sakolchaii and K. phuphanensis var. viridans are monads, spheroidal in shape, radially symmetrical, apolar, inaperturate, and exine sculpturing irregularly arranged elongated ornamentation elements with verrucate features. This comprehensive analysis provides valuable insights into the taxonomic classification of these two taxa, enriching our understanding of Zingiberaceae diversity in Thailand.
Full article
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Open AccessArticle
Phenolic, Amino Acid, Mineral, and Vitamin Contents during Berry Development in ‘Italia’ and ‘Bronx Seedless’ Grape Cultivars
by
Harlene Hatterman-Valenti, Ozkan Kaya, Turhan Yilmaz, Fadime Ates and Metin Turan
Horticulturae 2024, 10(5), 429; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050429 - 23 Apr 2024
Abstract
Understanding the variations in amino acids, phenolic compounds, elements, and vitamins between grape varieties is essential for optimizing grape production, fine-tuning dietary recommendations, and harnessing the health potential of grapes. In this regard, this comprehensive study investigated the compositional diversity of two distinct
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Understanding the variations in amino acids, phenolic compounds, elements, and vitamins between grape varieties is essential for optimizing grape production, fine-tuning dietary recommendations, and harnessing the health potential of grapes. In this regard, this comprehensive study investigated the compositional diversity of two distinct table grape cultivars, ‘Bronx Seedless’ and ‘Italia’, at various critical phenological stages (BBCH-77, -79, -81, -83, -85, and -89). The research findings demonstrated remarkable differences in the concentrations of key nutritional components. Bronx Seedless consistently exhibited higher levels of several amino acids, including glutamate, phenylalanine, and aspartate with concentrations reaching 49.6, 52.7, and 24.8 pmol μL−1, respectively, in contrast to Italia. Regarding phenolic compounds, Italia emerged as the richer source, with concentrations notably higher for compounds such as vanillic acid (18.2 µg g−1 FW) and gallic acid (37.4 µg g−1 FW). Mineral analysis revealed variable concentrations, with Italia grapes containing higher levels of Fe (91.0 mg/kg) compared to Bronx Seedless (87.1 mg/kg); however, Bronx Seedless had slightly elevated levels of K (31,089 mg/kg) compared to Italia (28,184 mg/kg). Concidering vitamins, Italia grapes showcased superior levels of Vitamin B1 (14.1 mg/100 g FW) and Vitamin A (11.0 mg/100 g FW), while Bronx Seedless had higher concentrations of Vitamin B6 (29.5 mg/kg), C (3.9 mg/100 g FW) and Vitamin B2 (36.9 mg/100 g FW). Principal component analysis (PCA) elucidated complex relationships within these components, offering insights into potential correlations and interactions. The heatmap visualization further indicated the concentration gradients across various samples, unveiling the intricate nutritional profiles of these grape cultivars. This research can aid grape growers and consumers in making informed decisions about grape cultivars and their corresponding health advantages.
Full article
(This article belongs to the Special Issue Advances in Physiology Studies in Fruit Development and Ripening)
Open AccessArticle
Genome-Wide Identification, Characterization, and Expression Profile of SWEETs Gene Family in Grapevine (Vitis vinifera L.)
by
Linjing Zhong, Shuya Xu, Chenchen Song, Ning Zhao, Zhiqi Yang, Yanxiang Liu, Xiaoyue Cui, Jianxia Zhang, Zhi Li, Xiping Wang and Min Gao
Horticulturae 2024, 10(5), 428; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050428 - 23 Apr 2024
Abstract
SWEET (Sugars Will Eventually Be Exported Transporter) proteins, identified recently as a novel class of sugar transporters, play pivotal roles in the transport and distribution of photosynthetic products in plants. They are integral to physiological processes such as response to biotic and abiotic
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SWEET (Sugars Will Eventually Be Exported Transporter) proteins, identified recently as a novel class of sugar transporters, play pivotal roles in the transport and distribution of photosynthetic products in plants. They are integral to physiological processes such as response to biotic and abiotic stress, growth and development, and fruit quality formation. In this study, leveraging the latest grapevine genomic data, we identified 18 members of the grapevine SWEET family and named them based on their homologs in Arabidopsis. We conducted a detailed analysis of these protein-encoding genes, focusing on their structure, conserved domains, and phylogenetic relationships. Phylogenetic analysis revealed that the grapevine SWEET family members could be categorized into four clades, with the majority of members displaying relatively conserved gene structures and motifs. Chromosomal localization and homology analysis indicated an uneven distribution of VvSWEETs across 11 chromosomes, with evidence of two segmental duplication events during evolution. Furthermore, we investigated the transcription levels of SWEET genes across different tissues, organs, and developmental stages of fruit, as well as their response patterns under abiotic stress (drought, cold, and salt stress) and biotic stress (Botrytis cinerea infection). Expression profiling demonstrated strong tissue-specificity and temporal-spatial specificity of VvSWEETs, correlated with their respective clades. It is noteworthy that the expression levels of most members within Clade 1 of the VvSWEET gene family, especially VvSWEET1, were markedly upregulated in response to a broad range of stress conditions. Our results provide a comprehensive bioinformatic characterization and analysis of the grapevine SWEET gene family, unveiling the potential functions of grapevine SWEET genes and offering a vital reference for further functional studies.
Full article
(This article belongs to the Section Genetics, Genomics, Breeding, and Biotechnology (G2B2))
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Open AccessReview
Organic Fertilizers and Bio-Waste for Sustainable Soil Management to Support Crops and Control Greenhouse Gas Emissions in Mediterranean Agroecosystems: A Review
by
Giuseppe Badagliacca, Giorgio Testa, Stefano Giovanni La Malfa, Valeria Cafaro, Emilio Lo Presti and Michele Monti
Horticulturae 2024, 10(5), 427; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050427 - 23 Apr 2024
Abstract
Agriculture is facing several challenges related to its sustainability. In this regard, the need to reduce its environmental impact related to the use of synthetic inputs and its potential role in mitigating global warming and climate change call for a review of crop
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Agriculture is facing several challenges related to its sustainability. In this regard, the need to reduce its environmental impact related to the use of synthetic inputs and its potential role in mitigating global warming and climate change call for a review of crop management. In this context, and in the framework of achieving sustainable development goals, the use of organic fertilizers and bio-waste represents a valuable contribution to the agricultural transition towards a bioeconomy model by reducing the negative impacts of waste disposal. Farmyard manure, composts, digestate from agrifood processes, and biochar are, among organic fertilizers, commonly used to manage soils and support crop growth. These fertilizers can provide essential nutrients, improve structure, and enhance microbial activity, thus increasing soil fertility and agriculture sustainability. While organic fertilizers offer the benefits of soil fertility and plant nutrition, their impact on greenhouse gas (GHG) emissions is complex and varies depending on factors such as fertilizer type, soil conditions, and management practices. Although organic fertilizers may initially increase GHG emissions, they often lead to carbon sequestration in soils highlighting a negative C balance. Additionally, organic fertilizers promote a reduction in fossil fuel consumption used for synthetic fertilizer production, further contributing to GHG emissions’ reduction. Therefore, while organic fertilizers pose challenges in managing GHG emissions, their various benefits warrant careful consideration and strategic implementation in agricultural systems.
Full article
(This article belongs to the Special Issue Sustainable Strategies and Practices for Soil Fertility Management)
Open AccessArticle
The Effect of Biotic Stress in Plant Species Induced by ‘Candidatus Phytoplasma solani’—An Artificial Neural Network Approach
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Ivica Djalovic, Petar Mitrovic, Goran Trivan, Aleksandra Jelušić, Lato Pezo, Elizabet Janić Hajnal and Tatjana Popović Milovanović
Horticulturae 2024, 10(5), 426; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050426 - 23 Apr 2024
Abstract
Infections with phytoplasma present one of the most significant biotic stresses influencing plant health, growth, and production. The phytoplasma ‘Candidatus Phytoplasma solani’ infects a variety of plant species. This pathogen impacts the physiological and morphological characteristics of plants causing stunting, yellowing, leaf
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Infections with phytoplasma present one of the most significant biotic stresses influencing plant health, growth, and production. The phytoplasma ‘Candidatus Phytoplasma solani’ infects a variety of plant species. This pathogen impacts the physiological and morphological characteristics of plants causing stunting, yellowing, leaf curling, and other symptoms that can lead to significant economic losses. The aim of this study was to determine biochemical changes in peony (Paeonia tenuifolia L.), mint (Mentha × piperita L.), and dill (Anethum graveolens L.) induced by ‘Ca. Phytoplasma solani’ in Serbia as well as to predict the impact of the biotic stress using artificial neural network (ANN) modeling. The phylogenetic position of the Serbian ‘Ca. Phytoplasma solani’ strains originated from the tested hosts using 16S rRNA (peony and carrot strains) and plsC (mint and dill strains) sequences indicated by their genetic homogeneity despite the host of origin. Biochemical parameters significantly differed in asymptomatic and symptomatic plants, except for total anthocyanidins contents in dill and the capacity of peony and mint extracts to neutralize superoxide anions and hydroxyl radicals, respectively. Principal Component Analysis (PCA) showed a correlation between different chemical parameters and revealed a clear separation among the samples. Based on the ANN performance, the optimal number of hidden neurons for the calculation of TS, RG, PAL, LP, NBT, •OH, TP, TT, Tflav, Tpro, Tant, DPPH, and Car was nine (using MLP 8-9-13), as it produced high r2 values (1.000 during the training period) and low SOS values. Developing an effective early warning system for the detection of plant diseases in different plant species is critical for improving crop yield and quality.
Full article
(This article belongs to the Special Issue The Diagnosis, Management, and Epidemiology of Plant Diseases)
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Open AccessArticle
Appropriate Nitrogen Application for Alleviation of Soil Moisture-Driven Growth Inhibition of Okra (Abelmoschus esculentus L. (Moench))
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Shenghui Xu, Yunxiang Huang, Renlian Zhang, Li Niu and Huaiyu Long
Horticulturae 2024, 10(5), 425; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050425 - 23 Apr 2024
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Uneven rainfall, in the context of global warming, can cause soil moisture fluctuations (SMFs) that harm crop growth, and it is not yet known whether nitrogen (N) can mitigate the harm caused by a strong SMF. This paper uses okra as a test
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Uneven rainfall, in the context of global warming, can cause soil moisture fluctuations (SMFs) that harm crop growth, and it is not yet known whether nitrogen (N) can mitigate the harm caused by a strong SMF. This paper uses okra as a test subject and sets three SMFs of 45–55% FC (W1), 35–65% FC (W2), and 25–75% FC (W3) and three N applications of 0 kg hm−2 (N0), 110 kg hm−2 (N1), and 330 kg hm−2 (N2) to investigate the effects of SMF and N application on the physiological and biochemical aspects of okra. The results demonstrated that okra exhibited the highest values in stem diameter, number of leaves, photosynthesis characteristics, antioxidant enzyme activity, and yield under the N1 treatment. The average yield in the N1 treatment was 149.8 g, significantly surpassing the average yields of the N0 (129.8 g) and N3 (84.0 g) treatments. Stomatal density, antioxidant enzyme activity, malondialdehyde content, and proline content in okra leaves were highest in the W3 treatment, indicating that plants experienced stress in the W3 treatment. However, the agronomic traits and yields of okra in the N1 treatment were higher than those in the N0 and N1 treatments, indicating that the crop damage caused by W3 could be mitigated by an appropriate amount of N application. The N1W1 treatment emerged as the most suitable combination for okra growth in this study, exhibiting the highest stem diameter, leaf count, photosynthetic characteristics, and yield (201.3 g). Notably, this yield was 67.8% higher than the lowest treatment (N2W3), signifying a significant improvement.
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Open AccessArticle
Analysis of the Antioxidant Mechanism of Ozone Treatment to Extend the Shelf Life and Storage Quality of ‘Korla’ Fragrant Pears Based on Label-Free Proteomics
by
Shaohua Lin, Xiaojun Zhang, Mo Li, Na Zhang, Chenghu Dong, Haipeng Ji, Pufan Zheng, Zhaojun Ban, Xing Mei, Changyu Gu and Cunkun Chen
Horticulturae 2024, 10(5), 424; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10050424 - 23 Apr 2024
Abstract
In this study, the physiological indicators, reactive oxygen species (ROS) levels, and activities and expressions of key enzymes related to ROS metabolism were monitored to explore the mechanism of ozone treatment on the shelf life of postharvest Korla fragrant pears. The results show
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In this study, the physiological indicators, reactive oxygen species (ROS) levels, and activities and expressions of key enzymes related to ROS metabolism were monitored to explore the mechanism of ozone treatment on the shelf life of postharvest Korla fragrant pears. The results show that postharvest fragrant pears treated with ozone had a higher firmness and lower weight loss rate and decay rate during their shelf life, especially in the late stage. Ozone treatment could also delay the occurrence of the respiratory peak and reduce the peak value. The generation rate of superoxide anion (O2−), the hydrogen peroxide (H2O2) content, and the malondialdehyde (MDA) level were reduced in the ozone-treated group, while the activities of key enzymes, superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD), related to ROS metabolism in postharvest fragrant pears were stimulated by ozone treatment, especially in the middle and late stages of shelf life. Analysis of the proteomics results indicates that the POD family enzymes were the main target protein in postharvest fragrant pears treated by ozone during the middle and late stages of shelf life. The activity and expression of antioxidant-related enzymes in postharvest fragrant pears were stimulated by ozone to accelerate the metabolism of ROS and maintain high quality, especially in the middle and late shelf lives.
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(This article belongs to the Special Issue Postharvest Physiology and Disease of Fruits, Volume II)
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Open AccessReview
Traditional Foods as a Way to Preserve the Genetic Diversity of the Grapevine (Vitis vinifera) in Tunisia
by
Olfa Saddoud Debbabi, Mounira Ben Slimane, Rym Bouhlal Ben Hadj Alouane, Cinzia Montemurro, Hager Snoussi and Monica Miazzi
Horticulturae 2024, 10(4), 423; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10040423 - 22 Apr 2024
Abstract
Tunisia has a long tradition of viticulture, and the grapevine is used for a variety of traditional foods. The country has traditional plant-based dishes, which may have different compositions and names depending on the region of origin. Unfortunately, over the years, traditional preparations
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Tunisia has a long tradition of viticulture, and the grapevine is used for a variety of traditional foods. The country has traditional plant-based dishes, which may have different compositions and names depending on the region of origin. Unfortunately, over the years, traditional preparations are no longer as popular as they used to be, due to both changing lifestyles and the introduction of new crops and foods. For example, the use of grapevine in traditional dishes has declined as traditions have been lost and habits have changed in favor of new, ready-to-eat foods. The close link between grapevine, culture and territory requires an appropriate evaluation and characterization of traditional foods in order to enhance and extend their use, ensure their sustainability and preserve the varieties used to produce them. This review analyzes the use of local grapevine varieties in different traditional dishes as a means to preserve an invaluable natural and cultural resource and heritage.
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(This article belongs to the Topic Mediterranean Biodiversity)
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Open AccessArticle
Establishment of a Virus-Induced Gene-Silencing (VIGS) System in Passiflora edulis Sims and Its Use in the Functional Analysis of PechlH
by
Lijuan Zhang, Xiaoyan Yi, Shaojuan Wang, Muhammad Moaaz Ali, Yiping Zheng, Zhimin Lin and Faxing Chen
Horticulturae 2024, 10(4), 422; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10040422 - 22 Apr 2024
Abstract
Passion fruit is a very important tropical and subtropical fruit that not only has a good edible flavour, but also has high ornamental value. However, the functions of important trait genes in passion fruit have been difficult to elucidate due to the difficulty
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Passion fruit is a very important tropical and subtropical fruit that not only has a good edible flavour, but also has high ornamental value. However, the functions of important trait genes in passion fruit have been difficult to elucidate due to the difficulty of stable genetic transmission in passion fruit. The VIGS system for the tobacco rattle virus (TRV) has been widely used in a number of crops, but no success has been reported in passion fruit. In this study, we used the PePDS marker gene to unravel the passion fruit VIGS system. The use of albino phenotype observation and quantitative PCR to detect gene expression showed that the PDS albino phenotype was successfully induced in the young leaves of passion fruit seedlings after 7 days, while a significant down-regulation of expression occurred in the phenotypic plants. The albino phenotype can be maintained for 14–16 d. In addition, we chose the chlorophyll-synthesis-related gene PechlH for the VIGS silencing of passion fruit leaves. When the PechlH gene was knocked out, the leaves of the passion fruit lost their green colour and showed yellowing symptoms. This revealed that the PechlH gene was involved in the chloroplast synthesis pathway. Finally, using different OD600 gradients in PePDS, we demonstrated that the silencing efficiency reached 46.70% at an OD600 of 0.8. Thus, an effective and stable VIGS system was achieved in passion fruit. This will help to accelerate the study of gene function in passion fruit in the future.
Full article
(This article belongs to the Special Issue Research on Physiological, Genetic and Phytochemical Characteristics of Horticulture Crops)
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Open AccessArticle
Metabolome Comparison of Sichuan Dried Orange Peels (Chenpi) Aged for Different Years
by
Wenling Zhang, Xun Fu, Yan Zhang, Xingyu Chen, Tingting Feng, Chunmei Xiong and Qingyu Nie
Horticulturae 2024, 10(4), 421; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10040421 - 22 Apr 2024
Abstract
Chuan chenpi is obtained by aging the peel of Citrus reticulata cv. ‘Dahongpao’, a traditional Chinese citrus variety. Chenpi has been used in traditional Chinese medicine since ancient times. It is believed that the longer the ripening period, the better the health properties.
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Chuan chenpi is obtained by aging the peel of Citrus reticulata cv. ‘Dahongpao’, a traditional Chinese citrus variety. Chenpi has been used in traditional Chinese medicine since ancient times. It is believed that the longer the ripening period, the better the health properties. The composition of the metabolome of Chuan chenpi and how different aging periods affect it are not known. Current analysis was performed using Chuan chenpi aged for one (CR1), five (CR5) and ten (CR10) years. Initially, the total flavonoid and phenolic content were quantified, and then the global metabolomic profiles of CR1, CR5 and CR10 were studied. The total flavonoid and phenolic content increased significantly in CR5 compared to CR1 and then decreased in CR10. The metabolomic analyses led to the identification of 781 compounds belonging to more than 19 classes. Flavonoids and phenolic acids accounted for almost half (~48%) of the Chuan chenpi metabolome. Other major classes included amino acids (~8%), alkaloids (7.17%), organic acids (~7%), sugars (5.5%), nucleotides and derivatives (~5%), free fatty acids (3.33%) and other classes. The metabolite diversity of glycerol esters, terpenoids and stilbenes was constant during the three storage periods, whereas those of lignans, vitamins, coumarins, lipids and free fatty acids showed slight variations. The subclass distribution of phenylpropanoids, quinones, sphingolipids, and organic acids showed a decrease in diversity from CR1 to CR5, with CR10 showing a further decrease or remaining constant. Amino acids and derivatives, phenolic acids and flavonoids showed an increasing trend in the number of metabolites over the storage period. Compared to CR5, CR10 showed a higher number of differentially accumulated metabolites; in particular, flavonoids, phenolic acids and organic acids showed increased accumulation in CR10. In conclusion, the metabolome of Chuan chenpi is rich in flavonoids and phenols. Aging significantly affects the metabolome composition. Both CR5 and CR10 may be useful materials for health studies depending on the objectives of pharmacological use.
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(This article belongs to the Section Genetics, Genomics, Breeding, and Biotechnology (G2B2))
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Open AccessArticle
Transcriptome and Pigment Analyses Provide Insights into Carotenoids and Flavonoids Biosynthesis in Camellia nitidissima Stamens
by
Yi Feng, Kunkun Zhao, Jiyuan Li, Minyan Wang, Hengfu Yin, Zhengqi Fan, Xinlei Li and Weixin Liu
Horticulturae 2024, 10(4), 420; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10040420 - 22 Apr 2024
Abstract
Camellia nitidissima is famous for its golden flowers. Its flowers are rich in secondary metabolites, and they have ornamental, medicinal, and edible value. Pigment composition and regulation has been studied in the golden petals, but there has been little research on pigment composition
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Camellia nitidissima is famous for its golden flowers. Its flowers are rich in secondary metabolites, and they have ornamental, medicinal, and edible value. Pigment composition and regulation has been studied in the golden petals, but there has been little research on pigment composition or the molecular mechanism underlying yellow stamens in C. nitidissima. To explore the molecular mechanism of yellow stamen formation, three developmental stages (S0, S1, and S2) were used for transcriptome and pigment analyses. Pigment analysis showed that the flavonoid content increased sharply from the S0 to S1 stage and decreased from the S1 to S2 stage, and the carotenoid content increased sharply during yellow stamen formation (from the S1 to S2 stage). RNA-seq analysis showed that a total of 20,483 differentially expressed genes (DEGs) were identified. KEGG and heatmap analyses showed that flavonoid and carotenoid biosynthesis pathways were enriched, and we identified 14 structural genes involved in flavonoid biosynthesis and 13 genes involved in carotenoid biosynthesis and degradation. In addition, the expression of carotenoid- and flavonoid-related genes was consistent with carotenoid and flavonoid content. In addition, correlation network analysis indicated that the WARYK, MYB, bHLH, and AP2/ERF transcription factor families were screened for involvement in the biosynthesis of flavonoids and carotenoids. In this study, we describe the pathway associated with color formation in the stamens of C. nitidissima.
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(This article belongs to the Special Issue Cultivation and Breeding of Ornamental Plants)
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Open AccessArticle
Inclusion of Antifungal and Probiotic Lactiplantibacillus plantarum Strains in Edible Alginate Coating as a Promising Strategy to Produce Probiotic Table Grapes and Exploit Biocontrol Activity
by
Nicola De Simone, Angela Scauro, Danial Fatchurrahman, Pasquale Russo, Vittorio Capozzi, Giuseppe Spano and Mariagiovanna Fragasso
Horticulturae 2024, 10(4), 419; https://0-doi-org.brum.beds.ac.uk/10.3390/horticulturae10040419 - 21 Apr 2024
Abstract
The use of lactic acid bacteria (LAB) for the probiotic enrichment of minimally processed fruit is a well-established practice in the literature. In addition, several LAB demonstrated a strain-specific ability to control harmful microorganisms and decay agents, improving shelf life, maintaining quality, and
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The use of lactic acid bacteria (LAB) for the probiotic enrichment of minimally processed fruit is a well-established practice in the literature. In addition, several LAB demonstrated a strain-specific ability to control harmful microorganisms and decay agents, improving shelf life, maintaining quality, and promoting the safety of fruits and vegetables. Edible coatings can help modulate the phenomena of gas exchange and water loss by fruits, representing protection from physical damage and spoilage phenomena linked to oxidation and the development of undesired microorganisms. At the same time, the coating can represent an innovative delivery matrix for the LAB strains of potential interest to improve safety and quality in the postharvest management of fruits. In this work, five Lactiplantibacillus plantarum strains, previously characterised for their probiotic and antifungal activity, were incorporated into a sodium alginate coating to develop edible probiotic coatings with antifungal properties for table grapes cv. Italia. The bacterial transfer and their survival were evaluated by comparing coated and uncoated table grapes during 14 days of cold storage at 4 °C. The alginate edible coating increased the number of viable cells transferred to the surface of the berries from about 5 to more than 7 Log CFU/g, with a crucial impact on the potential functional attributes of the final product. The ability of the functionalised coatings to counteract the decay development was evaluated on table grape berries artificially contaminated with Aspergillus niger CECT 2805. A significant reduction in lesion diameter was observed in the alginate coating with L. plantarum 11-A, with a reduction from 15.40 ± 1.14 mm of uncoated berries to 8.40 ± 1.14 mm of berries coated with L. plantarum 11-A. The lesion diameter reduction was also accompanied by a reduction in the symptoms of infection, such as browning around the wound. These results suggest the application of selected strains of L. plantarum as promising bio-resources to enhance the overall value of ready-to-eat fruits and vegetables, particularly in combination with edible coating as a carrier matrix. While a strain-dependent effect was not detected with respect to the improvement in the number of cells in the edible coating, a variability depending on the biotype used was detected for the properties linked to biocontrol, suggesting that the inclusion in edible packaging may represent an innovative criterion in the selection of lactobacilli to be applied postharvest.
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(This article belongs to the Special Issue Innovative Technologies for Shelf-Life Extension and Quality Improvement of Fruit and Vegetables)
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