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首页> 外文期刊>Indian Journal of Entomology >Evaluation of organic modules against insect pests of soybean.
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Evaluation of organic modules against insect pests of soybean.

机译:评价有机模块抗大豆害虫的能力。

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摘要

The field experiments were conducted at Agricultural Research Station, Ummedganj, Kota during kharif 2007 and 2008 to develop suitable organic module strategies on soybean crop. Five organic modules along with some common practices/applications such as Deep summer ploughing+Seed treatment with Trichoderma viridae @ 6 g/ha+Installation of "T" shape bird perches+Spray of Azadirachtin 1500 ppm @ 2.50 1/ha at 15 days after sowing were evaluated for their efficacy against predominant insect pests e.g. green semilooper Chrysodeixis acuta Walker and girdle beetle Obereopsis brevis Swed. The organic module Ma (Plucking of infested plant parts + release of Trichogramma @ 1.0 lac/ha at 30 DAS+B.t. at 50 DAS) was found most effective against green semilooper and girdle beetle wherein minimum green semilooper and girdle beetle population (0.72 larvae/m and 1.66%), maximum seed yield (1160 kg/ha) and higher IBCR (4.54) was recorded. The next best module was M4 (Plucking of infested plant parts + two release of Trichogramma at 30 & 40 DAS+B.t. at 50 DAS) recorded 0.93 larvae/m row length of green semilooper population, 2.50% infestation of girdle beetle, 1122 kg/ha seed yield and IBCR (3.71).
机译:田间试验于2007年和2008年卡哈里夫(Kharif)期间在亚美尼亚Ummedganj的农业研究站进行,目的是开发适合大豆作物的有机模块策略。五个有机模块以及一些常见的实践/应用,例如深夏耕作+绿木霉种子处理@ 6 g / ha +安装“ T”形鸟栖息地+印za素1500 ppm喷洒2.50 1 / ha在15天后评估播种对主要害虫的功效,例如绿色的半环Ch Chrysodeixis acuta Walker和腰带甲虫Obereopsis brevis Swed。已发现有机模块Ma(侵染植物部分+在30 DAS处以1.0 lac / ha释放赤眼蜂+在50 DAS处以Bt释放)最有效地对抗绿色半ir和腰带甲虫,其中最小的绿色半loop和腰带甲虫种群(0.72幼虫/ m和1.66%),最大种子产量(1160 kg / ha)和更高的IBCR(4.54)被记录下来。次佳的模块是M 4 (在30和40 DAS处摘除受侵染的植物部分+两次释放赤眼蜂+在50 DAS处的Bt)记录的0.93幼虫/米绿色半环虫种群行长,为2.50% 122甲虫侵染,1122 kg / ha的种子产量和IBCR(3.71)。

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