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首页> 外文期刊>European Journal of Plant Pathology >First record of the Q Biotype of the sweetpotato whitefly, Bemisia tabaci, intercepted in the UK
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First record of the Q Biotype of the sweetpotato whitefly, Bemisia tabaci, intercepted in the UK

机译：在英国截获的甘薯粉虱Q Bemis的Q生物型的首次记录

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摘要

For the UK, Bemisia tabaci poses a threat primarily to protected vegetable crops due to the transmission of several plant-pathogenic viruses. There are at least 24 different biotypes of B. tabaci that cannot be differentiated through morphological traits. The B (Middle East-Asia Minor 1 species) and Q (Mediterranean species) biotypes are widely considered to be the most important and, as such, the ability to rapidly and precisely biotype B. tabaci interceptions is vital when developing effective control strategies. Intercepted adult/pupal B. tabaci received from the UK Plant Health and Seeds Inspectorate (PHSI) during 2002-2003 (n = 60) and 2010-2011 (n = 42) were both biotyped and tested for the presence of Tomato yellow leaf curl virus (TYLCV) and Tomato yellow leaf curl Sardinia virus (TYLCSV) using a real-time PCR assay based on TaqManA (R) chemistry. The positive results indicated that during 2002-2003 the Q biotype comprised 68.3 % of the interceptions whilst in 2010-2011 it comprised 66.7 % of the B. tabaci samples intercepted. Only three of the B biotypes collected during 2002-2003 were positive for TYLCSV, two originating from Israel and the other of unknown origin. The implications in regards to pest management of the insect are discussed.
机译：在英国，由于多种植物致病病毒的传播，烟粉虱主要对受保护的蔬菜作物构成威胁。不能通过形态性状区分至少24种不同的烟粉虱生物型。 B（中东亚小1种）和Q（地中海种）生物型被认为是最重要的生物型，因此，在制定有效的控制策略时，快速准确地生物B型烟粉虱的拦截能力至关重要。对2002-2003年（n = 60）和2010-2011年（n = 42）从英国植物健康和种子检验局（PHSI）截获的成年/ pu生烟粉虱进行了生物分型并测试了番茄黄叶卷曲的存在病毒（TYLCV）和番茄黄叶卷曲撒丁岛病毒（TYLCSV），使用基于TaqManA（R）化学的实时PCR检测方法。阳性结果表明，在2002-2003年期间，Q生物型占拦截的68.3％，而在2010-2011年，Q生物型占拦截的烟粉虱样本的66.7％。在2002-2003年期间收集的B型生物中，只有三种B型对TYLCSV呈阳性，其中两种来自以色列，另一种来自未知。讨论了有关昆虫害虫管理的意义。

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