棉蚜和烟粉虱传播棉卷叶矮病毒的媒介能力研究

IF 0.7 Q4 AGRICULTURAL ENGINEERING Journal of cotton science Pub Date : 2022-01-01 DOI:10.56454/efdp8347
Brianna Heilsnis, Autumn McLaughlin, K. Conner, J. Koebernick, A. Jacobson
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引用次数: 5

摘要

据报道,2017年在阿拉巴马州南部棉田中发现了一种新的棉花卷叶矮病毒(CLRDV)变种(属:Polerovirus,科:Solemoviridae),该病毒被蚜虫和白蝇侵染。在确认CLRDV之前,猜测集中在白蝇是当时未知病毒的潜在载体。虽然报告的唯一传播CLRDV到棉花的媒介是棉蚜,棉蚜(Glover),但最近报告了两种重组多孢子病毒由白蝇,烟粉虱(Genn.)传播。由于在美国出现了一种新的CLRDV变体,以及最近对重组多极病毒的研究,关于白蝇和/或蚜虫可能传播CLRDV的相互矛盾的信息已经传递给棉花带的种植者和利益相关者。本研究的目的是确定棉蚜或烟粉虱(B Mitotype)是否将CLRDV传播给棉花。结果表明,CLRDV-AL变异可通过棉蚜的翅形和翅形传播,但不能通过烟粉虱传播。这些发现强调了筛选新型植物病毒变异传播的昆虫媒介的重要性,以正确识别媒介,并为种植者和利益相关者提供适当的信息,以做出明智的管理决策。
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Vector Competency of Aphis gossypii and Bemisia tabaci to Transmit Cotton Leafroll Dwarf Virus
A new variant of cotton leafroll dwarf virus (CLRDV) (genus: Polerovirus, family: Solemoviridae) was discovered in cotton (Gossypium hirsutum L.) fields that were reported to be infested with aphids and whiteflies in southern Alabama in 2017. Prior to the confirmation of CLRDV, speculation focused on whiteflies as a potential vector of the then-unknown virus. Although the only vector reported to transmit CLRDV to cotton is the cotton aphid, Aphis gossypii (Glover), two recombinant poleroviruses have been reported recently to be transmitted by the whitefly, Bemisia tabaci (Genn.). Due to the emergence of a new CLRDV variant in the U.S., and the recent studies on recombinant poleroviruses, conflicting messages that whiteflies and/or aphids could be transmitting CLRDV have been relayed to growers and stakeholders in the Cotton Belt. The objective of this study was to determine if A. gossypii or B. tabaci (B Mitotype) transmit CLRDV to cotton. The results demonstrated that the CLRDV-AL variant was transmissible by alate and apterous morphs of A. gossypii, but not by B. tabaci. These findings emphasize the importance of screening insect vectors for the transmission of novel plant virus variants to correctly identify the vector(s) and provide growers and stakeholders with appropriate information to make informed management decisions.
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来源期刊
Journal of cotton science
Journal of cotton science AGRICULTURAL ENGINEERING-
CiteScore
0.90
自引率
20.00%
发文量
0
期刊介绍: The multidisciplinary, refereed journal contains articles that improve our understanding of cotton science. Publications may be compilations of original research, syntheses, reviews, or notes on original research or new techniques or equipment.
期刊最新文献
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