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Evaluation of New Molecules against Bollworm Complex of Cotton

机译:抗棉铃虫复合体的新分子评价

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摘要

Investigations on new insecticides against bollworm complex of cotton were carried out at PAU, Regional Station, Faridkot during kharif 2004-05 and 2005-06. During 2004-05 season, Spinosad 45 SC @ 67.5 g ai ha~(-1) (standard check) was found to be the most effective treatment with lowest boll damage (6.07%) and loculi damage (2.68%). The seed cotton yield in case of Spinosad 45 SC with new A:D ratio @ 100 g ai ha1 was highest (3001 kg ha~(-1)). During 2005-06 season also significant differences were observed among various treatments tested, with untreated control recording the highest open boll damage (51.0%), loculi damage (21.14%) and recording lowest seed cotton yield (2114.8 kg ha~(-1)). Spinosad 45 SC @ 67.5 g ai ha~(-1) (standard check) recorded 35.23% boll damage, 13.12% loculi damage and 3150.4 kg ha~(-1) seed yield. The insecticide E2Y 45 20 SC @ 30g ai ha~(-1) was also the most effective treatment recording lower boll damage (29.37%), loculi damage (11.16%) and highest seed cotton yield (3369.9 kg ha~(-1)).
机译:在2004年5月5日和2005年6月7日的法里德科特地区的PAU对棉铃虫复合物的新型杀虫剂进行了研究。在2004-05赛季中,发现Spinosad 45 SC @ 67.5 g ai ha〜(-1)(标准检查)是最有效的治疗方法,其铃伤(6.07%)和牙髓损伤(2.68%)最低。在新的A:D比@ 100 g ai ha1的Spinosad 45 SC的情况下,籽棉产量最高(3001 kg ha〜(-1))。在2005-06年度期间,所测试的各种处理方法之间也观察到显着差异,未处理的对照记录的棉铃伤害最高(51.0%),蝗虫伤害(21.14%)和籽棉产量最低(2114.8 kg ha〜(-1))。 )。 Spinosad 45 SC @ 67.5 g ai ha〜(-1)(标准检查)记录的棉铃伤害为35.23%,地方蝗虫伤害为13.12%,种子产量为3150.4 kg ha〜(-1)。杀虫剂E2Y 45 20 SC @ 30g ai ha〜(-1)也是最有效的处理方法,其棉铃害发生率较低(29.37%),蝗虫危害(11.16%)和最高籽棉产量(3369.9 kg ha〜(-1)) )。

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