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首页> 外文期刊>Journal of Economic Entomology >Aphid Transmission of Banana Bunchy Top Virus to Bananas After Treatment With a Bananacide
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Aphid Transmission of Banana Bunchy Top Virus to Bananas After Treatment With a Bananacide

机译：香蕉杀菌剂处理后，香蕉束顶病毒的蚜虫传播到香蕉。

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摘要

Field and laboratory studies were conducted to determine the impact of using a herbicide as a bananacide on aphid transmission of Banana bunchy top virus (family Nanoviridae, genus Babuvirus, BBTV) to healthy banana (Musa spp.) plants. BBTV-infected banana plants in a commercial orchard were treated with Roundup Weathermax herbicide. Using polymerase chain reaction, the time after herbicide treatment that BBTV could no longer be detected in the infected plants was determined. The impact of the herbicide treatment on Pentalonia nigronervosa Coquerel (Hemiptera: Aphididae) virus acquisition and ability to inoculate healthy banana plants with BBTV also were determined. Generally, banana plants were dead beyond 42 d after herbicide injection (DAI), and BBTV was detected in a similar high percentage of treated plants from 0 up to 21 DAI. During two field trials, 0 and 32% of P. nigronervosa acquired the virus from treated plants at 42 DAI, respectively, but none successfully inoculated a healthy banana plant beyond 35 DAI. Finally, 22% of P. nigronervosa colonies collected directly from the pseudostem of injected plants at the final sample date (42 DAI) tested positive for BBTV and infected 9.5% of the healthy banana plants. The findings indicate that banana plants may remain a potential source of virus inoculum 6 wk after injection with a bananacide. The implications of these findings with respect to BBTV management are discussed.
机译：进行了野外和实验室研究，以确定使用除草剂作为香蕉杀虫剂对香蕉束顶病毒（家庭纳米病毒科，杆状病毒，BBTV）向健康香蕉（Musa spp。）植物的蚜虫传播的影响。用Roundup Weathermax除草剂处理了商业果园中被BBTV感染的香蕉植物。使用聚合酶链反应，确定除草剂处理后在受感染植物中不再检测到BBTV的时间。还确定了除草剂处理对黑五叶草（Pentalonia nigronervosa Coquerel）（半翅目：蚜虫）病毒获取的影响以及用BBTV接种健康香蕉植物的能力。通常，香蕉植物在除草剂注射（DAI）后42天后死亡，并且在从0到21 DAI的高百分比处理植物中检测到BBTV。在两次田间试验中，分别以42 DAI从0和32％的黑果疫霉（P.nigronervosa）获得了该病毒，但没有成功接种超过35 DAI的健康香蕉植物。最终，在最终采样日期（42 DAI）直接从注射植物的假茎中收集到的黑果疫霉菌菌落的BBTV检测为阳性，并且感染了9.5％的健康香蕉植物。研究结果表明，香蕉植株注射香蕉杀菌剂后6周仍可能是病毒接种物的潜在来源。讨论了这些发现对BBTV管理的影响。

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