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内蒙古和贵州地区粉虱发生对番茄褪绿病毒流行的影响

Effect of the whitefly occurrence in Inner Mongolia and Guizhou on the prevalence of Tomato chlorotic virus
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摘要 番茄褪绿病毒Tomato chlorosis virus(ToCV)对我国番茄种植业破坏极大,而粉虱类昆虫是其主要传播介体。本研究调查了我国内蒙古自治区赤峰市和贵州省贵阳市的番茄褪绿病毒病发生情况,发现赤峰市的发病率为73.3%,贵阳市的发病率为53.3%。两个地区均存在Q型烟粉虱和温室白粉虱,赤峰市的Q型烟粉虱和温室白粉虱分别占75.9%和24.1%;贵阳市的Q型烟粉虱和温室白粉虱分别占39.8%和60.2%。对两个地区的两种粉虱种群在室内进行传毒特性研究,结果发现,经过48 h获毒后Q型烟粉虱和温室白粉虱的获毒量没有明显差异,但无论1头或10头粉虱,Q型烟粉虱的传毒量都高于温室白粉虱。结果说明,近年来随着Q型烟粉虱发生的日益严重,番茄褪绿病毒通过Q型烟粉虱的传播值得人们重视和进一步研究。 Tomato chlorosis virus(ToCV)is extremely destructive to tomato planting in China,and whitefly insects are the main vectors to transmit ToCV.In this study,we investigated the occurrence of Tomato chlorotic virus disease in Chifeng,Inner Mongolia,and Guiyang,Guizhou province.The disease incidence in Chifeng was 73.3%,and that in Guiyang was 53.3%.Bemisia tabaci Q and Trialeurodes vaporariorum were detected in both areas,and the proportions of B.tabaci Q and T.vaporariorum in Chifeng were 75.9%and 24.1%,respectively,while those in Guiyang were 39.8%and 60.2%,respectively.Then samples of whitefly from two regions were collected and the characteristics of the virus transmission were investigated in our laboratory.The results showed that there was no significant difference in the acquisition amount of B.tabaci Q and T.vaporariorum after 48 h of virus acquisition.However,regardless of 1 or 10 whiteflies,the transmission amount of B.tabaci Q was higher than that of T.vaporariorum.The results indicated that with the increasing occurrence of B.tabaci Q in recent years,the spread of Tomato chlorotic virus through B.tabaci Q is worthy of more attention and further study.
作者 王帅鑫 史晓斌 张战泓 郑立敏 刘勇 张德咏 谭新球 周序国 WANG Shuaixin;SHI Xiaobin;ZHANG Zhanhong;ZHENG Limin;LIU Yong;ZHANG Deyong;TAN Xinqiu;ZHOU Xuguo(Long Ping Branch,Graduate School of Hunan University, Changsha 410125, China;Hunan Plant Protection Institute, Hunan Academy of Agricultural Science, Changsha 410125, China;Hunan Vegetable Research Institute, Hunan Academy of Agricultural Science, Changsha 410125, China)
出处 《植物保护》 CAS CSCD 北大核心 2020年第5期42-46,52,共6页 Plant Protection
基金 国家自然科学基金(31872932,31672003) 湖南省科技计划(2016RS2019) 国家大宗蔬菜产业技术体系(CARS-25-B-05) 湖南省自然科学基金(2019JJ30014)。
关键词 番茄褪绿病毒 Q型烟粉虱 温室白粉虱 传毒特性 Tomato chlorosis virus Bemisia tabaci Q Trialeurodes vaporariorum characteristics of virus transmission
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