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Agronomy
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Advances in the Industrial Crops
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Advances in the Industrial Crops

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 6925

Special Issue Editor

Dr. Zongchang Xu

E-Mail Website
Guest Editor
Marine Agriculture Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
Interests: mechanism of salt stress; saline-alkali soil production; oil crops; medicinal plants

Special Issue Information

Dear Colleagues,

Industrial crops have significantly improved the quality of human life. However, the changing climate and declining soil quality have become major threats to the sustainability of industrial crops, resulting in lower incomes for families, regions, and even countries. Adaptable crop resources, tillage methods, and new ideas that could improve the production and quality of industrial crops should be prioritized. In this regard, industrial crops, including oil crops, fiber crops, medicinal plants, and other important economic crops, such as tobacco, will increasingly become an important topic of research. This Special Issue will consider any aspect of the comprehensive studies of industrial crops, including but not limited to the agronomy, physiology, methods, genetics, and breeding of industrial crops. Studies on the growth and performance of industrial crops under stress, especially saline–alkali stress, are particularly encouraged. In this Special Issue, we aim to exchange knowledge on any aspect related to the yiled, quality, and abiotic stress of industrial crops, thus facilitating their increased adoption and utilization in order to address the challenges faced by humans against the background of a changing climate.

Dr. Zongchang Xu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • industrial crops
  • yield
  • quality
  • cultivation
  • methods
  • molecular breeding
  • abiotic stress
  • salinity
  • drought
  • heat

Published Papers (7 papers)

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Research

24 pages, 3829 KiB  
Article
Drought Tolerance Evaluation and Growth Response of Chinese Cabbage Seedlings to Water Deficit Treatment
by Yoonah Jang, Jinhee Kim, Junho Lee, Sangdeok Lee, Hwahyen Jung and Gyu-Hyeon Park
Agronomy 2024, 14(2), 279; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy14020279 - 26 Jan 2024
Viewed by 858
Abstract
Drought is a significant climatic factor that significantly affects the production of Chinese cabbage, a crop that is highly susceptible to drought stress. The development and cultivation of drought-tolerant varieties could be a viable strategy to minimize the damage caused by climate change [...] Read more.
Drought is a significant climatic factor that significantly affects the production of Chinese cabbage, a crop that is highly susceptible to drought stress. The development and cultivation of drought-tolerant varieties could be a viable strategy to minimize the damage caused by climate change and ensure stable production of Chinese cabbage. This requires the implementation of technologies for early evaluation and selection of a plethora of resources. In this study, we screened 100 varieties and breeding resources for drought tolerance under a water deficit treatment at the seedling stage. We also evaluated the growth response of Chinese cabbage varieties and breeding resources under water deficit treatment and selected drought-tolerant Chinese cabbage genotypes. We confirmed that the visual score for wilting, which evaluates the wilting response during the recovery process of Chinese cabbage seedlings through water deficit treatment and re-watering, can be used as an indicator for evaluating tolerance to drought stress. The visual score for wilting showed a high correlation with major traits representing drought tolerance. Our findings highlight the need for an integrated approach that considers various environmental conditions, varieties, and lines to select and develop drought-tolerant varieties. We selected ‘18-FH112-1’ and ‘18-FH112-1-2’ among others, and these germplasms will be useful resources for drought tolerance breeding. This study provides a foundation for future efforts to develop drought-tolerant Chinese cabbage varieties, thereby contributing to the stable production of this crucial crop. Full article
(This article belongs to the Special Issue Advances in the Industrial Crops)
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10 pages, 576 KiB  
Article
Contribution to the Optimization of Methods for Vigor Seed Evaluation of Camelina sativa (L.) Crantz
by Dušica Jovičić, Ana M. Marjanović Jeromela, Federica Zanetti, Zorica Nikolić, Rossella Mastroberardino, Gordana Tamindžić and Dragana Rajković
Agronomy 2024, 14(1), 178; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy14010178 - 14 Jan 2024
Viewed by 697
Abstract
Camelina, a traditional oil-producing plant, has gained global interest due to the high-quality oil found in its seeds. It has numerous applications, including human dietary consumption, aviation biofuel, and biodiesel production. Seed quality testing is crucial for identifying suitable seed batches for market [...] Read more.
Camelina, a traditional oil-producing plant, has gained global interest due to the high-quality oil found in its seeds. It has numerous applications, including human dietary consumption, aviation biofuel, and biodiesel production. Seed quality testing is crucial for identifying suitable seed batches for market sale. Currently, vigor tests have been established for a limited selection of commercially cultivated plant species, including camelina. This study aims to assess seed vigor and contribute to the development and validation of methods/tests for reliable vigor assessment. The experiment used two camelina genotypes developed at the Institute of Field and Vegetables Crops in Novi Sad, Serbia. The findings revealed a noteworthy reduction in germination percentages for both genotypes across all the conducted tests, as compared to the conventional laboratory germination. Simultaneously, there was a notable increase in abnormal seedlings. However, no statistically significant differences in the values of growth parameters were observed among the applied tests. In summary, the reduced seed vigor values indicate potential issues with this trait, despite generally sound germination. Additionally, the preliminary findings and methodology developed for testing the camelina seed vigor highlighted the need for optimization when applying these tests to other species to ensure their reliability and applicability. Full article
(This article belongs to the Special Issue Advances in the Industrial Crops)
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16 pages, 344 KiB  
Article
Diallel Crosses of Cotton (Gossypium hirsutum L.)—Enhancement of Fiber Properties in Future Cultivars for Burkina Faso
by Larbouga Bourgou, Jane K. Dever, Monica Sheehan, Carol M. Kelly, Sidiki K. Diané and Mahamadou Sawadogo
Agronomy 2023, 13(12), 2864; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy13122864 - 21 Nov 2023
Viewed by 791
Abstract
The market value of cotton in exporting countries, such as Burkina Faso, depends on the quality of major fiber properties. A lack of variation among the genetic resources available in Burkina Faso hinders breeding progress to meet fiber quality demands in future cultivars. [...] Read more.
The market value of cotton in exporting countries, such as Burkina Faso, depends on the quality of major fiber properties. A lack of variation among the genetic resources available in Burkina Faso hinders breeding progress to meet fiber quality demands in future cultivars. F1 populations from a half diallel crossing scheme between lines developed at Texas A&M AgriLife cotton breeding program at Lubbock and germplasm accessed from Burkina Faso were evaluated for fiber property enhancement. Crosses exclusively within common origin materials did not result in highly enhanced hybrids. Hybrids within American materials expressed significant SCA effects undesirable for future cultivars in Burkina Faso. Five hybrids within the Burkina Faso material expressed significant SCA effects: two of them implicating FK37 as the better parent in transmitting superior targeted fiber traits to its progenies. Hybrid FK37xE9 significantly enhanced UHML, Str, UI and SFI but not Mic and Rd. Inter-program hybrids with at least one significant SCA effect were crosses with female American lines and male Burkina Faso parents. Hybrids E53x16-2-216FQ, E53x15-10-610-7 and E32x15-10-610-7 showed significantly improved Str and UI for the most economically important traits, which also include Mic, UHML, SFI, Rd and +b. Together, the GCA and SCA effects, heritability and correlations showed more additive than non-additive gene actions. Therefore, knowledge of the best combiners and hybrids could be used in the cultivar development process to enhance value with improved fiber characteristics. Full article
(This article belongs to the Special Issue Advances in the Industrial Crops)
16 pages, 6540 KiB  
Article
Comparative Analysis of Phospholipase D (PLD) Gene Family in Camelina sativa and Brassica napus and Its Responses in Camelina Seedlings under Salt Stress
by Parviz Heidari, Fatemeh Puresmaeli, Yavar Vafaee, Mostafa Ahmadizadeh, Mohammadreza Ensani and Haniyeh Ahmadinia
Agronomy 2023, 13(10), 2616; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy13102616 - 14 Oct 2023
Cited by 3 | Viewed by 1048
Abstract
Phospholipases are among the important elements involved in lipid-dependent cell signaling that lead to the induction of downstream pathways. In the current study, phospholipases D (PLDs) gene family was characterized and compared in two important oilseed crops, Brassica napus and Camelina sativa. The [...] Read more.
Phospholipases are among the important elements involved in lipid-dependent cell signaling that lead to the induction of downstream pathways. In the current study, phospholipases D (PLDs) gene family was characterized and compared in two important oilseed crops, Brassica napus and Camelina sativa. The results revealed that PLD has 33 members in Camelina sativa (CsPLD) and 41 members in Brassica napus (BnPLD). All studied PLDs showed a negative GRAVY value, indicating that PLDs are probably hydrophilic proteins. Phylogenetic analysis classified PLDs into five main subfamilies, including gamma, delta, beta, alpha, and zeta. According to evolution analysis, a different evolution process was observed between CsPLD and BnPLD. In addition, the results disclosed that most of the PLD genes have been segmentally duplicated under purifying selection. Cis-regulatory elements related to ABA and auxin responsiveness were found more in the upstream region of CsPLDs, while elements linked with MeJA responsiveness were observed more in the promoter region of BnPLDs. Analysis of the expression data showed that PLD alpha genes have a wide expression in most tissues. Quantitative expression analysis (qPCR) of CsPLD genes under salt stress, 200 mM of NaCl, was conducted in different time series. The results revealed that the CsPLD genes are involved in the response to salinity stress and their expression levels enhance with increasing salinity stress period. The outcomes of this research will be useful for future molecular works related to lipid signaling in oilseed plants. Full article
(This article belongs to the Special Issue Advances in the Industrial Crops)
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15 pages, 1692 KiB  
Article
Identification and Evaluation of Diterpenoids from Glandular Trichome Secretions of Air/Sun-Cured Tobacco Germplasm Resources
by Chaofan Qi, Jing Liu, Yongmei Du, Xiao Han, Hongbo Zhang, Qiujuan Fu, Jianhui Zhang and Yanhua Liu
Agronomy 2023, 13(9), 2433; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy13092433 - 21 Sep 2023
Viewed by 845
Abstract
To explore the multipurpose utilization of tobacco germplasm resources, 80 representative air/sun-cured tobacco germplasms were used as experimental materials to determine the composition and content of the diterpenoids of glandular trichome secretions using ultra-performance liquid chromatography (UPLC). Correlation analysis, cluster analysis, and principal [...] Read more.
To explore the multipurpose utilization of tobacco germplasm resources, 80 representative air/sun-cured tobacco germplasms were used as experimental materials to determine the composition and content of the diterpenoids of glandular trichome secretions using ultra-performance liquid chromatography (UPLC). Correlation analysis, cluster analysis, and principal component analysis (PCA) were used to comprehensively evaluate 80 air/sun-cured tobacco germplasms. The results are as follows: (1) 11 chromatographic peaks (Peak1–Peak11) were detected by UPLC, and the coefficient of variation of their contents ranged from 26.3 to 143%. (2) Correlation analysis showed that alpha-cembratriene-diol (α-CBT-diol) and beta-cembratriene-diol (β-CBT-diol) had the highest correlation coefficients (0.97), showing a significantly negative correlation with cis-abienol and a significantly positive correlation with the other diterpenoids. (3) PCA showed that the cumulative contribution rate of the three principal components was 75.70%, and the diterpenoid-rich germplasms were ranked in the following order: X40 (Maiduo) > X48 (Jianpingpiaoba) > X58 (Mianzhu) > X54 (Shifangpipaliu) > X63 (Xuejia5) > X41 (Tangpeng) > X29 (OLOR) > X73 (Criollo) > X44 (Tiebanqing) > X70 (Nicaragua Changxin). The diterpenoid content of X36 was the lowest. These results provide excellent germplasm for the extraction and exploitation of the diterpenoids and for genetic studies of their metabolism. Full article
(This article belongs to the Special Issue Advances in the Industrial Crops)
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15 pages, 3275 KiB  
Article
Integrated Transcriptomics and Metabolomics Analysis Reveal Anthocyanin Biosynthesis for Petal Color Formation in Catharanthus roseus
by Yuchen Xiao, Yueli Tang, Xianhui Huang, Lingjiang Zeng and Zhihua Liao
Agronomy 2023, 13(9), 2290; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy13092290 - 30 Aug 2023
Viewed by 997
Abstract
Catharanthus roseus exhibits vibrant petals and displays robust resistance to disease and drought, making it highly valuable for ornamental and gardening applications. While the application of C. roseus as a source of anticancer drugs has gained considerable attention in recent years, there has [...] Read more.
Catharanthus roseus exhibits vibrant petals and displays robust resistance to disease and drought, making it highly valuable for ornamental and gardening applications. While the application of C. roseus as a source of anticancer drugs has gained considerable attention in recent years, there has been limited investigation into the regulatory mechanism underlying anthocyanin accumulation in the petals of C. roseus. This study comprehensively analyzed the metabolome and transcriptome of three distinct C. roseus varieties exhibiting different petal colors. Out of the 39 identified flavonoids, 10 anthocyanins exhibited significant variations in accumulation, directly contributing to the diverse coloration of C. roseus petals. Among them, malvidin 3-O-glucoside and petunidin 3-O-glucoside were identified as primary contributors to the purple petal phenotype, while peonidin 3-O-glucoside and delphinidin 3-O-glucoside exhibited the highest contribution rates to the red petals. Additionally, the variation content of cyanidin 3-O-rutinoside, delphinidin 3-O-glucoside, and petunidin 3-O-rutinoside also influenced the color transformation of C. roseus petals. RNA sequencing identified a total of 4173 differentially expressed genes (DEGs), including 1003 overlapping DEGs. A combined transcriptome and metabolome analysis showed that the coordinately regulated anthocyanin biosynthetic genes including chalcone isomerase (CHS), flavonoid 3′-hydroxylase (F3′H), and dihydroflavonol 4-reductase (DFR) played critical roles in the formation of the anthocyanins. MYB and bHLH transcription factors were also found to be significantly correlated with differences in flower color. These results serve as a foundation for future investigations into anthocyanin biosynthesis and regulatory mechanisms in C. roseus. Full article
(This article belongs to the Special Issue Advances in the Industrial Crops)
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15 pages, 11202 KiB  
Article
Identification and Analysis of SOD Family Genes in Peanut (Arachis hypogaea L.) and Their Potential Roles in Stress Responses
by Shutao Yu, Chuantang Wang, Qi Wang, Quanxi Sun, Yu Zhang, Jingchao Dong, Yechao Yin, Shihang Zhang and Guoqing Yu
Agronomy 2023, 13(8), 1959; https://doi.org/10.3390/agronomy13081959 - 25 Jul 2023
Cited by 2 | Viewed by 975
Abstract
Superoxide dismutases (SODs) are crucial in safeguarding plants against reactive oxygen species (ROS) toxicity caused by abiotic or biotic factors. Although recent research has revealed the involvement of the SOD gene family in plant biological processes, the understanding of the SOD gene family [...] Read more.
Superoxide dismutases (SODs) are crucial in safeguarding plants against reactive oxygen species (ROS) toxicity caused by abiotic or biotic factors. Although recent research has revealed the involvement of the SOD gene family in plant biological processes, the understanding of the SOD gene family in peanut remains inadequate. This study comprehensively characterizes the SOD gene family in the peanut genome. A total of 25 AhSOD genes were identified and subsequently categorized into three subfamilies: sixteen AhCSDs, six AhFSDs, and three AhMSDs according to the phylogenetic tree. A comprehensive analysis revealed that the AhSOD genes underwent segmental duplications. The majority of AhSOD genes exhibited conserved exon–intron and motif structures within the same subfamily. The examination of cis-acting elements within the promoter regions of SOD genes revealed that the expression of AhSOD was subject to regulation by plant hormones, as well as responses to defense and stress. RNA-seq analysis showed expression diversity of AhSOD genes in various tissues and cold, drought, and salt stresses. Furthermore, the regulation of AhSOD gene expression is anticipated to involve numerous transcription factors. The gene ontology annotation results validate the role of AhSOD genes in various stress stimuli, SOD activity, reactive oxygen species metabolic processes, and cellular oxidant detoxification processes. This investigation serves as the initial genome-wide analysis of the AhSOD gene family, providing a basis for comprehending the function of the AhSOD gene family and enhancing plant tolerance to cold, drought, and salt stresses. Full article
(This article belongs to the Special Issue Advances in the Industrial Crops)
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