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首页> 外文期刊>Fruit, Vegetable and Cereal Science and Biotechnology >An Introduction to Microbial Control of Insect Pests of Potato
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An Introduction to Microbial Control of Insect Pests of Potato

机译：马铃薯害虫的微生物控制简介

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摘要

A wide variety of insects are pests of potato plants and tubers. Several insect-specific pathogens have demonstrated efficacy for control of some of the more economically important insect pests of potato. Bacillus thuringiensis (Bt) and a granulovirus(PoGV) are effective in controlling potato tuber moth, Phthorimaea operculella, a serious pest of potato foliage and stored tubers in the tropics and subtropics. Naturally occurring PoGV has been reported in several countries where potato is grown. Colorado potato beetle (CPB), Leptinotarsa decemlineata, is a serious pest of potato in many countries worldwide. Bt var. tenebrionis effectively controls CPB when applied against first and second instar larvae. The fungus, Beauveria bassiana, has also beenreported to control CPB under certain environmental conditions. Andean potato weevils, Premnotrypes spp., are pests of potatoes grown at high altitude in the Andes. An entomopathogenic nematode, Heterorhabditis sp., appears to be a potential candidate for microbial control of the weevil. A variety of other candidate entomopathogens are proposed for control of several additional insect pests including leaf miner fly, wireworms, lepidopterans, aphids, potato psyllid, leafhoppers, and other insects. The further development and use of microbial control agents will ultimately provide components for the integrated and sustainable control of insect pests of potato and in other agroecosystems. Although factors limiting the adoption and use of microbials include high cost and low efficacy, compared to most chemicals presently used, these costs could be offset by the premium price paid for safer food and a greener approach.
机译：各种各样的昆虫是马铃薯和块茎的害虫。几种昆虫特异的病原体已显示出控制某些更经济重要的马铃薯害虫的功效。苏云金芽孢杆菌（Btillus thuringiensis）和粒状病毒（PoGV）可有效控制马铃薯的块茎蛾，Pthorimaea operculella，马铃薯的重要害虫以及在热带和亚热带的储藏块茎。在种植马铃薯的几个国家中已经报道了天然存在的PoGV。 Leptinotarsa decemlineata科罗拉多马铃薯甲虫（CPB）是全世界许多国家的严重马铃薯害虫。 Bt var。当对付第一龄和第二龄幼虫时，tenebrionis有效控制CPB。据报道，该真菌球孢白僵菌在某些环境条件下可控制CPB。安第斯马铃薯象鼻虫，Premnotrypes spp。，是在安第斯山脉高海拔地区种植的马铃薯的害虫。昆虫病原线虫，Heterorhabditis sp。，似乎是控制象鼻虫的潜在候选者。提出了多种其他候选昆虫病原体，用于防治几种其他害虫，包括including蝇，线虫，鳞翅目，蚜虫，马铃薯木虱，叶蝉和其他昆虫。微生物控制剂的进一步开发和使用最终将为马铃薯和其他农业生态系统中害虫的综合和可持续控制提供成分。尽管限制微生物采用和使用的因素包括高成本和低功效，但与目前使用的大多数化学药品相比，这些成本可以由为更安全的食品和更环保的方法所支付的溢价所抵消。

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