Integrated Pest and Disease Management in Greenhouse Crops

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Protection, Diseases, Pests and Weeds".

Deadline for manuscript submissions: closed (30 October 2022) | Viewed by 3525

Special Issue Editor

Agrobiotechnology Department, Agrarian and Technological Institute, RUDN University, 117198 Moscow, Russia
Interests: plant pathology; bacteriology; plant protection
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Greenhouse production is the most profitable sector of the agricultural industry. Crops are grown in heated glasshouses under additional light, in rockwool or other soilless substrates. Pests, viruses, bacteria, oomycetes, and fungi are very common in greenhouses in various geographical regions and under a variety of growing conditions. The greenhouse atmosphere is warm and saturated each day, and conditions are optimal for pests and pathogens. Their control is very difficult. The most appropriate method to control the pests and pathogens would be the use of resistant cultivars. Manipulation of the greenhouse environment and nutrients to avoid pathogens can be practiced by farmers; however, the growers rely heavily on chemical and biocontrol agents to protect their crops. New control methods are urgently needed, either for conventional application or for integration with existing integrated pest/pathogen management (IPPM). IPM approaches underline the importance of understanding the biology and ecology of pests and diseases, as well as the complex relations between the different elements of agroecosystems when managing pest/pathogen populations. Since then, IPPM approaches have continued to gain importance, albeit with sometimes diverging views on how IPPM is best implemented.

The proposed Special Issue is devoted (but not limited by) to:

  • Cultivars resistant to pests and diseases;
  • Emerging plant pathogens in greenhouse culture;
  • Instrumental monitoring of plant pests/diseases in greenhouse;
  • Control of seedlings pests and diseases in greenhouse;
  • Biocontrol agents against pests and diseases;
  • New methods for IPPM.

Dr. Aleksandr N. Ignatov
Guest Editor

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Keywords

  • plant resistance
  • emerging phytopathogens
  • biocontrol in hydroponics
  • sustainable microbiota
  • phytopathogen vectors
  • disease monitoring
  • infection sources

Published Papers (2 papers)

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Research

14 pages, 2466 KiB  
Article
Suppression of Tomato Bacterial Wilt Incited by Ralstonia pseudosolanacearum Using Polyketide Antibiotic-Producing Bacillus spp. Isolated from Rhizospheric Soil
by Dinesh Singh, Venkatappa Devappa and Dhananjay Kumar Yadav
Agriculture 2022, 12(12), 2009; https://0-doi-org.brum.beds.ac.uk/10.3390/agriculture12122009 - 25 Nov 2022
Cited by 3 | Viewed by 1422
Abstract
Bacillus spp. has the potential to control bacterial and fungal diseases of crops. In vitro study, Bacillus amyloliquefaciens DSBA-11 showed best to inhibit the growth of Ralstonia pseudosolanacearum as compared to Bacillus cereus JHTBS-7, B. pumilus MTCC-7092, B. subtilis DTBS-5 and B. licheniformis [...] Read more.
Bacillus spp. has the potential to control bacterial and fungal diseases of crops. In vitro study, Bacillus amyloliquefaciens DSBA-11 showed best to inhibit the growth of Ralstonia pseudosolanacearum as compared to Bacillus cereus JHTBS-7, B. pumilus MTCC-7092, B. subtilis DTBS-5 and B. licheniformis DTBL-6.Three primers sets from nucleotide sequences of polyketide antibiotic synthase genes viz., macrolactin, difficidin and bacillaene of B. amyloliquefaciens FZB42 were designed and standardized protocol for simultaneous detection of polyketide antibiotics-producing strains of Bacillus spp. by multiplex—PCR with products size of 792 bp, 705 bp and 616 bp respectively. All the strains of B. amyloliquefaciens contained three polyketide antibiotic synthase genes, and B. subtilis possessed difficidin and macrolactin, whereas B. cereus JHTBS-7, B. pumilus MTCC-7092 and B. licheniformis DTBL-6 did not contain any polyketide antibiotic genes. By using this technique, polyketide-producing strains of Bacillus spp. were screened within a short period with high accuracy. These polyketide synthase genes were cloned by using a T&A vector to study the role of these genes in producing antibiotics that suppressed the growth of R. pseudosolanacearum under both in vitro and in vivo conditions. Bio-efficacy of cloned products of these genes macrolactin, bacillaene, and difficidin along with parent strain B. amyloliquefaciens DSBA-11 inhibited the growth of R. pseudosolanacearum and formed 1.9 cm2, 1.9 cm2, 1.7 cm2 and 3.3 cm2 inhibition area under in vitro conditions respectively. Minimum bacterial wilt disease intensity (29.3%) with the highest biocontrol efficacy (57.72%) was found in tomato cv. Pusa Ruby (susceptible to wilt disease) was treated with B. amyloliquefaciens DSBA-11 followed by cloned products of difficidin and macrolactin under glasshouse conditions. Hence, the developed multiplex protocol might be helpful for screening polyketide antibiotics producing potential strains of Bacillus spp. from soil which can apply for managing the wilt disease of tomatoes. The polyketide antibiotics produced by bacteria might have a significant role suppression of R. pseudosolanacearum due to the disintegration of cells. Full article
(This article belongs to the Special Issue Integrated Pest and Disease Management in Greenhouse Crops)
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19 pages, 6900 KiB  
Article
Effects of Chloropicrin, Dimethyl Disulfide and Metham Sodium Applied Simultaneously on Soil-Born Bacteria and Fungi
by Zhaoai Shi, Jiahong Zhu, Jiajia Wu, Aocheng Cao, Wensheng Fang, Dongdong Yan, Qiuxia Wang and Yuan Li
Agriculture 2022, 12(12), 1982; https://0-doi-org.brum.beds.ac.uk/10.3390/agriculture12121982 - 23 Nov 2022
Cited by 2 | Viewed by 1165
Abstract
The area used to grow high-value crops is currently decreasing because production in the same soil for many years increases soil-borne diseases that reduce crop yield and quality as well as farmer income. Soil-borne disease is effectively controlled by soil fumigation prior to [...] Read more.
The area used to grow high-value crops is currently decreasing because production in the same soil for many years increases soil-borne diseases that reduce crop yield and quality as well as farmer income. Soil-borne disease is effectively controlled by soil fumigation prior to planting. In this study, the five different types of soils that had been used to grow tomatoes, watermelon, cucumber, ginseng and ginger were collected from field plots with high incidence of soil-borne diseases. This experiment adopts the indoor fumigation method to conduct triple fumigation of chloropicrin(PIC), metham sodium(MS) and dimethyl disulfide(DMDS) on different soil collected to examine changes in the soil microbial community, including pathogenic fungi and bacteria and beneficial microorganisms in order to clarify the impact on the overall structure of soil microbial community while controlling complex and multiple pathogens. High-throughput gene sequencing was used to detect bacterial and fungal taxonomic changes in the treated soils. Triple fumigation significantly reduced the abundance of at least five kinds of pathogenic fungi, Fusarium oxysporum, Mortierella, Neocosmospora, Nitrospira Alternaria and significantly increased the abundance of two kinds of beneficial species, Bacillus and Trichoderma. The research result observed increases and decreases in the biodiversity and richness of beneficial and pathogenic bacteria and fungi in response to triple fumigation of soil that had been used to grow tomatoes, watermelon, cucumber, ginseng and ginger. The most significant effect was observed in the experimental field of Panax notoginseng in Wenshan, Yunnan. Triple fumigation showed good potential to decrease pathogenic bacteria and fungi in soils and improve the disease resistance of soils, and that it has a good application prospect in the field of soil disinfestation. Full article
(This article belongs to the Special Issue Integrated Pest and Disease Management in Greenhouse Crops)
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