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Agronomy
Special Issues
Plant Virus and Its Epidemiology, Evolution, and Interaction with the...
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Plant Virus and Its Epidemiology, Evolution, and Interaction with the Host

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

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 3655

Special Issue Editors

Dr. Yen-Wen Kuo

E-Mail Website
Guest Editor
Department of Plant Pathology, University of California, Davis, CA, USA
Interests: plant pathology; plant virology; plant and insect molecular virology; virus-host interaction; RNA interference; microRNA; artificial microRNA
Special Issues, Collections and Topics in MDPI journals
Dr. Jun Jiang

E-Mail Website
Guest Editor
Department of Plant Pathology, University of California, Davis, CA, USA
Interests: plant virology and insect virology

Special Issue Information

Dear Colleagues,

Plant viruses have been integral in agriculture, with some being developed into tools for different applications. While many topics are critical in plant virology, this Special Issue will explore three important subjects: epidemiology, evolution, and plant virus-host interactions. Studies of epidemiology and evolution provide a detailed outlook of the current situations of diseases caused by plant viruses and also contribute to the overall understanding of the history and origins of viruses. Most of this research relies on the knowledge of virus-host interactions. Therefore, we encourage our fellow scientists to submit valued research and contribute to this Special Issue in the Agronomy journal. We seek any fundamental or translational research studies in the field of epidemiology, evolution, and virus-host interactions involved in plants, insects, or other associated organisms.

Dr. Yen-Wen Kuo
Dr. Jun Jiang
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

  • evolution
  • epidemiology
  • plant-microbe interaction
  • virology

Published Papers (1 paper)

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Research

18 pages, 3253 KiB  
Article
Identification of Novel Begomoviruses Associated with Leaf Curl Disease of Papaya (Carica papaya L.) in India
by Premchand Udavatha, Raghavendra K. Mesta, Mantapla Puttappa Basavarajappa, Venkataravanappa Venkataravanappa, Venkatappa Devappa, Lakshminarayana Reddy C. Narasimha Reddy and Kodegandlu Subbanna Shankarappa
Agronomy 2023, 13(1), 3; https://doi.org/10.3390/agronomy13010003 - 20 Dec 2022
Cited by 3 | Viewed by 3229
Abstract
Papaya (Carica papaya L.) is one of the most important fruit crops grown in tropical and subtropical regions of the world. Papaya leaf curl disease is one of the greatest concerns next to Papaya ring spot disease for India and the world. [...] Read more.
Papaya (Carica papaya L.) is one of the most important fruit crops grown in tropical and subtropical regions of the world. Papaya leaf curl disease is one of the greatest concerns next to Papaya ring spot disease for India and the world. A survey was conducted during the year 2019 to 2021 for assessing the leaf curl disease incidence in five major papaya-growing districts of Karnataka State, India. The incidence ranged from 10 to 21 percent, with plants expressing typical begomovirus symptoms. Thirty-two virus-infected papaya samples (PLC-1 to PLC-32), collected from different farmer’s fields, gave positive amplification for begomovirus detection. Based on the partial genome analysis, 13 representative papaya leaf curl isolates were selected for complete genome amplification by rolling circle DNA amplification (RCA). The RCA products were cloned, sequenced and analyzed. Based on the analysis and strain classification criteria for begomoviruses, five isolates (PLC-2, 3, 9, 11 and 18) were considered variants of Chilli leaf curl virus (ChiLCV). Isolate PLC-22 is considered a strain of ChiLCV, with 93.5% nt identity sharing. Similarly, isolate PLC-28 is considered a strain of Croton yellow vine mosaic virus (CYVMV), and isolates PLC-25 and PLC-31 were considered as strains of Papaya leaf curl virus (PaLCuV). Among the remaining four isolates, three (PLC-1, PLC-4 and PLC-7) share more than 91% nt identity among them and less than 91% nt identity with all other reported begomovirus isolates. Hence, they are considered to be isolates of the novel begomovirus, and the name Papaya leaf curl Bagalkote virus [India:Karnataka:Bagalkote:Papaya:2021] is proposed. One isolate (PLC-32) is also found to be distinct from all other begomovirus isolates, including the isolates in the current study also considered to be novel begomovirus, for which we propose the name Papaya leaf curl Haveri virus [India:Karnataka:Haveri:Papaya:2021]. The putative recombination analysis of all 13 papaya isolates showed that a major part of the viral genome was likely descended from the begomoviruses reported previously. This is the first report on the diversity and a distribution of the begomoviruses infecting papaya in Karnataka, India. The current investigation results revealed five major papaya-infecting begomoviruses (PaLCuBKV, ChiLCV, PaLCuV, CYVMV and PaLCuHV) in the sampled regions. Full article
(This article belongs to the Special Issue Plant Virus and Its Epidemiology, Evolution, and Interaction with the Host)
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