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Agronomy
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Advances in Molecular Technologies on Plant Disease Management
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Advances in Molecular Technologies on Plant Disease Management

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Pest and Disease Management".

Deadline for manuscript submissions: closed (20 January 2024) | Viewed by 4481

Special Issue Editors

Dr. Andreia S. Loureiro

E-Mail Website
Guest Editor
Linking Landscape, Environment, Agriculture and Food (LEAF) and Associated Laboratory for the Sustainability of Land Use and Ecosystem Services (TERRA), Instituto Superior de Agronomia, University of Lisbon, Tapada da Ajuda, 1349-017 Lisboa, Portugal
Interests: plant pathology; plant–microbe interactions; cellular and molecular plant defense responses; fungal effectors
Dr. Inês Diniz

E-Mail Website
Guest Editor
Centro de Investigação das Ferrugens do Cafeeiro (CIFC), Linking Landscape, Environment, Agriculture and Food (LEAF) and Associated Laboratory for the Sustainability of Land Use and Ecosystem Services (TERRA), Instituto Superior de Agronomia, University of Lisbon, Tapada da Ajuda, 1349-017 Lisboa, Portugal
Interests: plant pathology; fungal diversity; plant resistance; phytohormones

Special Issue Information

Dear Colleagues,

The increase in the world population and its inescapable need for food is in an armed fight with dramatic climatic changes, limited water, and land resources, and scarcity of agricultural resources. In this challenging scenario, phytopathogenic agents can have a severe social-economic impact on global agriculture if not well managed. The most recent advances in molecular techniques, coupled with the rapid development of high-throughput sequencing and bioinformatics, have opened doors to new, efficient, accurate, and sustainable methods that assist the next generation of farms. Thus, we believe this Special issue will be an opportunity to unveil a wide variety of emerging molecular-based studies that focus on the pathogen, the plant, and their complex interaction. Original research papers, reviews, short communications, opinions, or perspectives related to these subjects are welcome.

Dr. Andreia S. Loureiro
Dr. Inês Diniz
Guest Editors

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

  • pathogens
  • plant resistance
  • virulence
  • plant–pathogen interactions
  • crop management

Published Papers (3 papers)

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Research

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12 pages, 2285 KiB  
Article
Over-Expression of Soybean GmSAUL1 Enhances Disease Resistance in Nicotiana tabacum
by Jun-Mei Li, Mei-Yan Ye, Xiao-Han Ma, Ni-Ni Wu and Jian-Zhong Liu
Agronomy 2023, 13(6), 1533; https://doi.org/10.3390/agronomy13061533 - 31 May 2023
Cited by 1 | Viewed by 1142
Abstract
E3 ubiquitin ligases play essential roles in plant defense responses. However, their roles in other plant species have not been investigated extensively. Here, we used a gain-of-function approach to interrogate the function of GmSAUL1 (Senescence-Associated E3 Ubiquitin Ligase 1) homologs in soybeans. [...] Read more.
E3 ubiquitin ligases play essential roles in plant defense responses. However, their roles in other plant species have not been investigated extensively. Here, we used a gain-of-function approach to interrogate the function of GmSAUL1 (Senescence-Associated E3 Ubiquitin Ligase 1) homologs in soybeans. Ectopic over-expression of GmSAUL1a in Nicotiana tabacum resulted in autoimmune responses that could be suppressed by high temperature, which is a hallmark of NLR (nucleotide-binding leucine-rich repeat protein)-mediated resistance. Interestingly, an elevated activation of NtMPK6, but reduced activation of NtMPK4, responding to flg22 treatment, was observed in these GmSAUL1a-over-expressing tobacco lines, suggesting that over-expressing GmSAUL1a activates immune signaling through activating NtMPK6, but suppressing NtMPK4 kinase activity. Collectively, these results demonstrated that GmSAUL1 plays a positive and pivotal role in soybean immunity that is likely governed by NLR proteins. Full article
(This article belongs to the Special Issue Advances in Molecular Technologies on Plant Disease Management)
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19 pages, 4664 KiB  
Article
Organic or Inorganic Amendments Influence Microbial Community in Rhizosphere and Decreases the Incidence of Tomato Bacterial Wilt
by Sai Wang, Zhanbing Bai, Zhuo Zhang, Jingjing Bi, Enzhao Wang, Miaomiao Sun, Bismark Asante-Badu, Jiayin Zhang, Marie Claire Njyenawe, Alin Song and Fenliang Fan
Agronomy 2022, 12(12), 3029; https://doi.org/10.3390/agronomy12123029 - 30 Nov 2022
Cited by 1 | Viewed by 1394
Abstract
There are many kinds of soil amendments that consist of different materials. The soil amendment is usually of benefit to plant health. However, the effects of the soil amendments on plant disease have rarely been compared and the involved mechanisms are largely unknown. [...] Read more.
There are many kinds of soil amendments that consist of different materials. The soil amendment is usually of benefit to plant health. However, the effects of the soil amendments on plant disease have rarely been compared and the involved mechanisms are largely unknown. In the present study, we investigated the influences of five contrasting soil amendments (i.e., potassium silicate (PS), calcium silicate (CS), biochar (BC), calcium silicate humic acid (SCHA), and bio-organic fertilizer (BOF)) on tomato bacterial wilt. In addition, we dissected the mechanism with high-throughput sequencing. The results showed that BC, SCHA, and BOF significantly reduced the incidence and delayed the disease, while BOF significantly reduced the incidence of bacterial wilt disease in the whole tomato growing period. In the early stage of the disease, BC, SCHA, and BOF significantly reduced the soil pH compared to CK. However, the contents of soil NH4+-N and NO3−-N were significantly increased. Some beneficial bacteria genera (Burkholderia, Mortierella, and Trichoderma) had a certain correlation with the incidence. Burkholderia and Mortierella were negatively associated with morbidity, but Trichoderma was positively associated with morbidity. Particularly, the Spearman correlation and the least partial squares path analysis indicated that Trichoderma was significantly positively correlated with the disease incidence, the soil physicochemical properties, and the numbers of soil pathogens (NSP) were significantly positively correlated with the number of root pathogens (NRP) and the physicochemical properties of plants were negatively correlated with the disease incidence. Moreover, BOF had better inhibitory effect on the occurrence of tomato bacterial wilt. Our results have implications for the better integrated management of tomato bacterial wilt. Full article
(This article belongs to the Special Issue Advances in Molecular Technologies on Plant Disease Management)
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Review

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23 pages, 2983 KiB  
Review
Secondary Metabolites, Other Prospective Substances, and Alternative Approaches That Could Promote Resistance against Phytophthora infestans
by Hana Dufková, Marie Greplová, Romana Hampejsová, Marharyta Kuzmenko, Ervín Hausvater, Břetislav Brzobohatý and Martin Černý
Agronomy 2023, 13(7), 1822; https://doi.org/10.3390/agronomy13071822 - 09 Jul 2023
Viewed by 1443
Abstract
Potato (Solanum tuberosum) is a valuable staple crop that provides nutrition for a large part of the human population around the world. However, the domestication process reduced its resistance to pests and pathogens. Phytophthora infestans, the causal agent of late [...] Read more.
Potato (Solanum tuberosum) is a valuable staple crop that provides nutrition for a large part of the human population around the world. However, the domestication process reduced its resistance to pests and pathogens. Phytophthora infestans, the causal agent of late blight disease, is the most destructive pathogen of potato plants. Considerable efforts have been made to develop late blight-resistant potato cultivars, but the success has been limited and present-day potato production requires the extensive use of fungicides. In this review, we summarize known sources of late blight resistance and obstacles in P. infestans control. We outline the problematic aspects of chemical treatment, the possible use of biological control, and available resources of natural resistance in wild Solanum accessions. We focus on prospective putative markers of resistance that are often overlooked in genome-centered studies, including secondary metabolites from alkaloid, phenylpropanoid, and terpenoid classes, lipids, proteins, and peptides. We discuss the suitability of these molecules for marker-assisted selection and the possibility of increasing the speed of conventional breeding of more resilient cultivars. Full article
(This article belongs to the Special Issue Advances in Molecular Technologies on Plant Disease Management)
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