Novel Approaches for Crop Disease Control

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 June 2023) | Viewed by 6049

Special Issue Editors

Department of Biotechnology, Bharathiar University, Coimbatore 641046, India
Interests: crop protection; plant disease diagnosis; genetic engineering; genome editing; plant molecular biology

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Guest Editor
Amity Institute of Nanotechnology, Amity University, Noida 201301, Uttar Pradesh, India
Interests: plant molecular biology; host-pathogen interaction; agricultural nanotechnology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Global food security is one of the greatest challenges faced by current humanity. In the era of diminishing resources, sustainable approaches for the intensification and protection of world agriculture are needed.  In addition to changing abiotic scenarios, studies have estimated that 20–40% loss in world food production is due to pests and diseases. Hence, improved crop protection from diseases is one of the most important strategies to increase global food production. Currently, crop disease management includes coordinated approaches, ranging from cultural practices, growing resistant varieties, chemical, and biological control methods. Farmers are adopting integrated disease management by using novel and alternate approaches. However, still there is a need for more and more research on our dependence on chemical control. The research in this direction will fulfill the societal need for durable sustainable means of managing plant diseases that would be less fungicide-dependent, ecologically safe, and socially acceptable.

New control strategies that could be integrated into current disease management can be evolved through a better understanding of the growth and behavior of plant pathogens. It can also include the identification of resistance genes from non-host crops and integrating them into popular varieties. Recently developed gene editing tools also can be part of multifaceted approaches to reducing the losses to plant pathogens. Additionally, the applications of nanotechnology in the agricultural sector have attracted considerable attention in detection and protection against plant pathogens. In this Special Issue, we will have the latest research and review articles on these and other novel methods of crop disease control.

Dr. M. Arun
Dr. Ramesh Namdeo Pudake
Guest Editors

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Keywords

  • plant disease
  • management of plant pathogen
  • biopesticides
  • integrated disease management
  • nano agrochemicals
  • gene editing
  • non-host resistance
  • plant pathogen ecology

Published Papers (2 papers)

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Research

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14 pages, 3639 KiB  
Article
Candidate miRNAs from Oryza sativa for Silencing the Rice Tungro Viruses
by Noor Amni Mohamed, Nik Muhammad Faris Nazmie Che Ngah, Azlan Abas, Noraini Talip, Murni Nazira Sarian, Hamizah Shahirah Hamezah, Sarahani Harun and Hamidun Bunawan
Agriculture 2023, 13(3), 651; https://doi.org/10.3390/agriculture13030651 - 10 Mar 2023
Cited by 2 | Viewed by 1926
Abstract
Rice tungro disease (RTD), caused by Rice tungro bacilliform virus (RTBV) and Rice tungro spherical virus (RTSV) is one of the most prominent viral diseases in Asian countries. This virus disease problem seems to have been accentuated in those countries by causing a [...] Read more.
Rice tungro disease (RTD), caused by Rice tungro bacilliform virus (RTBV) and Rice tungro spherical virus (RTSV) is one of the most prominent viral diseases in Asian countries. This virus disease problem seems to have been accentuated in those countries by causing a series of outbreaks over the years after being first reported in International Rice Research Institute (IRRI), Philippines, in 1963. One of the effective ways to combat viruses is through RNA silencing. microRNA is an important player in the RNA silencing mechanism. Genome sequences analysis shows RTBV-SP isolate (8 Kb) is composed of four open reading frames (ORF 1, ORF 2, ORF 3, and ORF 4), meanwhile, RTSV-SP (12 Kb) consists of one open reading frame encoded by seven different polyproteins (P1, CP1, CP2, CP3, NTP, Pro, and Rep). Therefore, this study investigated possible rice-encoded miRNAs targeted on RTBV and RTSV using in silico analysis. Five bioinformatics tools were employed using five different prediction algorithms: miRanda, RNA22, RNAhybrid, Tapirhybrid, and psRNATarget. The results revealed each RTBV and RTSV can be silenced by three potentially best candidate rice-encoded miRNA. For RTBV, osa-miR5510 (accession no. MIMAT0022143), osa-miR3980a-3p (accession no. MIMAT0019676), and osa-miR3980b-3p (accession no. MIMAT0019678) are being predicted by all five algorithms. Meanwhile, for RTSV, three miRNAs predicted are osa-miR414 (accession no. MIMAT0001330), osa-miR5505 (accession no. MIMAT00221138) and osa-miR167a-3p (accession no. MIMAT0006780). The predicted data provide useful material for developing RTBV and RTSV-resistant rice varieties. Full article
(This article belongs to the Special Issue Novel Approaches for Crop Disease Control)
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Review

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41 pages, 4047 KiB  
Review
Nanotechnology as a Promising Tool against Phytopathogens: A Futuristic Approach to Agriculture
by Manjit Kumar Ray, Awdhesh Kumar Mishra, Yugal Kishore Mohanta, Saurov Mahanta, Ishani Chakrabartty, Neelam Amit Kungwani, Satya Kumar Avula, Jibanjyoti Panda and Ramesh Namdeo Pudake
Agriculture 2023, 13(9), 1856; https://doi.org/10.3390/agriculture13091856 - 21 Sep 2023
Cited by 3 | Viewed by 3465
Abstract
It is crucial to increase agricultural yields to fulfill the rising demand for food and the security it provides for a growing population. To protect human food supplies and agricultural outputs, disease management is essential. Plant infections are a silent enemy of economic [...] Read more.
It is crucial to increase agricultural yields to fulfill the rising demand for food and the security it provides for a growing population. To protect human food supplies and agricultural outputs, disease management is essential. Plant infections are a silent enemy of economic crop production and cross-border commerce of agricultural goods, inflicting roughly 20–30% losses a year. If infections are accurately and rapidly detected and identified, this can be minimized, and specialized treatment can be given. The current methods of preventing plant diseases are utterly dependent on agrochemicals, which have adverse effects on the ecosystem. By improving their solubility, lengthening their shelf life, and lowering their toxicity, nanotechnology can help reduce the harmful effects of pesticides and fungicides in a sustainable and environmentally responsible way. Engineered nanoparticles can be used to control plant diseases either by using the nanoparticle itself or as a carrier for fungicides and antibiotics. Regardless of the many prospective benefits of using nanoparticles, few nanoparticle-based products have been made commercially available for use in more widespread applications. For rapid and accurate spotting of plant diseases, the combination of nanotechnology systems with molecular diagnostics acts as an alternative where the detection may be taken in on a portable miniaturized appliance. By minimizing the application of chemicals and adopting quick identification of infections, nanotechnology might sustainably minimize many issues in disease control. This review outlines the tools and techniques used in the diagnosis of plant diseases and their management and explains how nanotechnology works, along with the current tools and their prospects for the future of plant protection. Full article
(This article belongs to the Special Issue Novel Approaches for Crop Disease Control)
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