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首页> 外文期刊>Pest Management Science >Repellency of a kaolin particle film to potato psyllid, Bactericera cockerelli (Hemiptera: Psyllidae), on tomato under laboratory and field conditions
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Repellency of a kaolin particle film to potato psyllid, Bactericera cockerelli (Hemiptera: Psyllidae), on tomato under laboratory and field conditions

机译：在实验室和田间条件下，高岭土颗粒膜对番茄上的马铃薯木虱（Bactericera cockerelli）（半翅目：木虱）的防护性

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BACKGROUND: The potato psyllid, Bactericera cockerelli, is a vector of Candidatus Liberibacter solanacearum, causing several diseases in solanaceous crops. Laboratory and field no-choice and choice experiments were conducted to evaluate the repellency of kaolin particle film on adults of B. cockerelli on tomato plants that had been sprayed with kaolin particle film on the upper surface only, on the lower surface only and on both leaf surfaces.RESULTS: In no-choice tests in the laboratory, the numbers of adults on leaves were not different between the kaolin particle film and the water control, regardless of which leaf surface(s) were treated, but numbers of eggs were lower on the leaves treated with kaolin particle film than on those treated with water. In choice tests on plants treated with water/plants treated with kaolin particle film at ratios of 1:1, 6:3 or 8:1, fewer adults and eggs were found on the leaves treated with kaolin particle film than on leaves treated with water. Under field conditions, in caged no-choice or choice tests, fewer adults, eggs and nymphs were found on plants treated with kaolin particle film than on plants treated with water. In an uncaged test under field conditions, plants sprayed with kaolin particle film had fewer psyllids than those sprayed with water.CONCLUSION: Even though potato psyllid adults could land on plants treated with kaolin particle film when no choice wasgiven, fewer eggs were laid. When given a choice, the psyllids avoided plants treated with kaolin particle film under laboratoryand field conditions. Kaolin particle film treatment may be a useful alternative for management of potato psyllids under fieldconditions.
机译：背景：马铃薯木虱（Bactericera cockerelli）是利比里亚假丝酵母（Candidatus Liberibacter solanacearum）的载体，在茄科作物中引起多种疾病。进行了实验室和田间无选择的选择实验，以评估仅在上表面，仅在下表面以及在两个表面上均喷涂了高岭土颗粒膜的番茄植物上的B. cockerelli成年人对高岭土颗粒膜的排斥性。结果：在实验室的无选择试验中，高岭土颗粒膜和水控剂之间叶片上的成虫数量没有差异，无论处理过的叶片表面是什么，但卵的数量却减少了用高岭土颗粒膜处理的叶子上的叶子比用水处理的叶子上的叶子多。在水处理植物/高岭土颗粒膜比例为1：1、6：3或8：1的植物的选择测试中，高岭土颗粒膜处理后的叶子上发现的成年和卵少于水处理后的叶子。 。在田间条件下，在笼养的非选择或选择测试中，用高岭土颗粒膜处理的植物上发现的成虫，卵和若虫的数量要少于用水处理的植物。在田间条件下进行的无盖试验中，喷洒高岭土颗粒膜的植物的木虱比喷水的植物少。结论：即使在没有选择的情况下，马铃薯木虱成虫可以降落在用高岭土颗粒膜处理的植物上，但产卵量却更少。如果有选择，木虱避免在实验室和田间条件下用高岭土颗粒膜处理过的植物。高岭土颗粒膜处理可能是在田间条件下处理马铃薯木虱的有用替代方法。

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