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Agronomy
Special Issues
New Insights into Pest and Disease Control in Rice
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New Insights into Pest and Disease Control in Rice

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

Deadline for manuscript submissions: 1 February 2025 | Viewed by 2138

Special Issue Editors

Prof. Dr. Rongzhi Chen

E-Mail Website
Guest Editor
State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
Interests: brown planthopper resistance in rice
Prof. Dr. Zhaohui Chu

E-Mail Website
Guest Editor
State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
Interests: plant–pathogen interaction and spatial resistance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Rice is one of the world’s most important staple foods; rice crops are seriously threatened by many pests and diseases that cause an annual yield loss of 37%. Such losses are caused by more than 20 species of insects and more than 100 diseases caused by bacteria, viruses, and fungi. Losses may also be caused by other living organisms including rats, birds, nematodes, weeds, and golden apple snails. Over the past 30 years, impressive advancements have been achieved in the integrated management of rice pests and diseases, including the discovery of resistance genes; the breeding of resistant varieties; the application of green pesticides and fungicides; bio-control, bio-stimulus, and nanomolecules; and precise control and intelligent monitoring systems, among others. This Special Issue will collate work by scientific researchers who are interested in the control of rice pests and diseases. We thus encourage the submission of research articles and reviews concerning novel strategies, technologies, and perspectives related to pest and disease control in rice.

Prof. Dr. Rongzhi Chen
Prof. Dr. Zhaohui Chu
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

  • IPM
  • disease resistance
  • pest management
  • weed control
  • bio-control
  • biostimulators
  • nanotechnology
  • intelligent monitoring
  • remote sensing

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Published Papers (2 papers)

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Research

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13 pages, 3107 KiB  
Article
A Novel SPOTTED LEAF1-1 (SPL11-1) Gene Confers Resistance to Rice Blast and Bacterial Leaf Blight Diseases in Rice (Oryza sativa L.)
by Shaojun Lin, Niqing He, Zhaoping Cheng, Fenghuang Huang, Mingmin Wang, Nora M. Al Aboud, Salah F. Abou-Elwafa and Dewei Yang
Agronomy 2024, 14(10), 2240; https://doi.org/10.3390/agronomy14102240 - 28 Sep 2024
Viewed by 759
Abstract
Programmed cell death (PCD) plays critical roles in plant immunity but must be regulated to prevent excessive damage. In this study, a novel spotted leaf (spl11-1) mutant was identified from an ethyl methane sulfonate (EMS) population. The SPL11-1 gene was genetically [...] Read more.
Programmed cell death (PCD) plays critical roles in plant immunity but must be regulated to prevent excessive damage. In this study, a novel spotted leaf (spl11-1) mutant was identified from an ethyl methane sulfonate (EMS) population. The SPL11-1 gene was genetically mapped to chromosome 12 between the Indel12-37 and Indel12-39 molecular markers, which harbor a genomic region of 27 kb. Annotation of the SPL11-1 genomic region revealed the presence of two candidate genes. Through gene prediction and cDNA sequencing, it was confirmed that the target gene in the spl11-1 mutant is allelic to the rice SPOTTED LEAF (SPL11), hereafter referred to as spl11-1. Sequence analysis of SPL11 revealed a single bp deletion (T) between the spl11-1 mutant and the ‘Shuangkang77009’ wild type. Moreover, protein structure analysis showed that the structural differences between the SPL11-1 and SPL11 proteins might lead to a change in the function of the SPL11 protein. Compared to the ‘Shuangkang77009’ wild type, the spl11-1 mutant showed more disease resistance. The agronomical evaluation showed that the spl11-1 mutant showed more adverse traits. Through further mutagenesis treatment, we obtained the spl11-2 mutant allelic to spl11-1, which has excellent agronomic traits and more improvement and may have certain breeding prospects in future breeding for disease resistance. Full article
(This article belongs to the Special Issue New Insights into Pest and Disease Control in Rice)
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Review

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14 pages, 2167 KiB  
Review
Type III Secretion Effectors of Xanthomonas oryzae pv. oryzicola: The Arsenal to Attack Equivalent Rice Defense for Invasion
by Nawei Tan, Yechao Huang, Weiguo Miao, Qingxia Zhang and Tao Wu
Agronomy 2024, 14(9), 1881; https://doi.org/10.3390/agronomy14091881 - 23 Aug 2024
Viewed by 1015
Abstract
Rice–Xanthomonas oryzae pv. oryzicola (Xoc) is one of the commonly used rice models of host–pathogen interactions. Xoc causes bacterial leaf streak (BLS) and has quarantine status. As a Gram-negative pathogen, Xoc usually employs type III secretion effectors (T3SEs), including transcription activator-like [...] Read more.
Rice–Xanthomonas oryzae pv. oryzicola (Xoc) is one of the commonly used rice models of host–pathogen interactions. Xoc causes bacterial leaf streak (BLS) and has quarantine status. As a Gram-negative pathogen, Xoc usually employs type III secretion effectors (T3SEs), including transcription activator-like effectors (TALEs) and non-TALEs, to interfere with the innate immunity of rice. However, few major resistance genes corresponding to Xoc are found in rice cultivations; only Rxo1-AvrRxo1 and Xo1-TALEs interactions have been discovered in rice–Xoc. In this review, we focus on the role of the T3S system (T3SS) in Xoc virulence and consider the reported non-TALEs, including AvrRxo1, AvrBs2, XopN, XopC2, XopAP, and XopAK, as well as TALEs including Tal2g/Tal5d, Tal2h, Tal2a, Tal7, Tal10a, TalI, Tal2b, and Tal2c. Interestingly, AvrRxo1, XopC2, and XopAP disturb stomatal opening to promote infection through targeting diverse signaling pathways in rice. Otherwise, Tal2b and Tal2c, respectively, activate two rice salicylic acid (SA) hydroxylation genes to redundantly suppress the SA-mediated basal defense, and TalI, which has unknown targets, suppresses the SA signaling pathway in rice. In addition, other Xoc virulence factors are discussed. In conclusion, several T3SEs from Xoc interfere with similar defense pathways in rice to achieve invasion, providing an outlook for the control of this disease through manipulating the conserved pathways. Full article
(This article belongs to the Special Issue New Insights into Pest and Disease Control in Rice)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Unconventional Aspects of T3SEs Virulence in Xanthomonas oryzae pv. oryzicola: Manipulating Equivalent Rice Defense Signaling Pathway for Invasion
Authors: Nawei Tan; Yechao Huang; Weiguo Miao; Qingxia Zhang; Tao Wu
Affiliation: College of Plant Protection, Yangzhou University, Yangzhou 225009, China
Abstract: The rice-Xanthomonas oryzae pv. oryzicola (Xoc) and rice-Xanthomonas oryzae pv. oryzae (Xoo) are commonly used rice models of host-pathogen interactions. Xoc, which causes bacterial leaf streak (BLS) and has quarantine status, is similar to Xoo, which causes bacterial blight (BB). These two Gram-negative pathogens usually employ type III secretion effectors (T3SEs), including transcription activator-like effectors (TALEs) and non-TALEs, to interfere with the innate immunity of rice. However, the invasion pathways and characteristics of the diseases caused by Xoc and by Xoo are different. More than 40 BB resistance (R) genes and many R-Avr interactions between rice and Xoo are identified; however, only Rxo1-AvrRxo1 and Xo1-TALEs interactions have been discovered in rice-Xoc. In this review, we focus on the role of the T3S system (T3SS) in Xoc virulence and consider the reported non-TALEs including AvrRxo1, AvrBs2, XopN, XopC2, XopAP and XopAK, as well as TALEs including Tal2g/Tal5d, Tal2h, Tal2a, Tal7, TalI, Tal2b and Tal2c. Interestingly, AvrRxo1, XopC2 and XopAP disturb stomatal opening to promote infection through targeting diverse signaling pathways in rice. It is not unique, Tal2b (Tal9b in Xoo) and Tal2c activate rice isoenzymes of salicylic acid (SA) hydroxylation to redundantly suppress basal defense, and TalI suppresses the SA signaling pathway, with unknown targets in rice. In addition, other Xoc virulence factors are discussed. In conclusion, several T3SEs from Xoc interfere with similar defense pathways in rice to achieve invasion, providing an outlook for the control of this disease through manipulating the conserved pathways.

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