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首页> 外文期刊>Indian Journal of Entomology >EVALUATION OF BT COTTON UNDER INTEGRATED PEST MANAGEMENT
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EVALUATION OF BT COTTON UNDER INTEGRATED PEST MANAGEMENT

机译：综合虫害管理下BT棉的评价

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摘要

Field experiments were conducted at Regional Agricultural Research Station, Lam, Guntur to study the performance of Bt cotton under IPM, conventional control (CC) and unprotected conditions (check) for two consecutive seasons. The incidence of aphidsand whiteflies was low in IPM block compared to conventional control, while the incidence of leafhoppers was high under IPM. But the population of thrips was more or less similar. The larval incidence and fruiting bodies damage of American and pink bollworm were slightly high in IPM block. The activity of natural enemies under ecofriendly IPM was more compared to conventional control and check without pesticidal application. Though the yield was slightly less, the cost benefit ratio was high from IPM block (1:2.26) compared to conventional control (1:1.57) due to low cost of plant protection. Hence, 'Bt' cotton hybrids should be viewed as a foundation on which Integrated Pest Management (IPM) has to be built up to combat the pest problems for sustainable transgenic Bt cotton cultivation.
机译：在贡图尔的林区农业研究站进行了田间试验，以连续两个季节研究在IPM，常规控制（CC）和无保护条件下（检查）Bt棉花的性能。与常规对照相比，IPM块中蚜虫和粉虱的发生率较低，而IPM下叶蝉的发生率较高。但是蓟马的数量或多或少相似。 IPM块中美洲和粉红色棉铃虫的幼虫发生率和子实体损害较高。与传统的对照和未经农药施用的对照相比，在生态友好的IPM下，天敌的活性更高。尽管产量略低，但由于植保成本低，与传统对照（1：1.57）相比，IPM块的成本效益比高（1：2.26）。因此，应将“ Bt”棉花杂交种作为必须建立综合病虫害防治（IPM）的基础，以对抗有害生物问题，以实现可持续的转基因Bt棉花种植。

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