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首页> 外文期刊>Journal of Insect Science >EVALUATION OF ENTOMOPATHOGENIC FUNGI, BEAUVERIA BASSIANA (BALSAMO) VUILLEMIN AGAINST BIHAR HAIRY CATERPILLAR, SPILARCTIA OBLIQUA (WALKER) AND CABBAGE BUTTERFLY, PIERIS BRASS/CAE LINNAEUS
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EVALUATION OF ENTOMOPATHOGENIC FUNGI, BEAUVERIA BASSIANA (BALSAMO) VUILLEMIN AGAINST BIHAR HAIRY CATERPILLAR, SPILARCTIA OBLIQUA (WALKER) AND CABBAGE BUTTERFLY, PIERIS BRASS/CAE LINNAEUS

机译：致病性真菌，球孢白僵菌（Baluso）对比哈尔·海里·卡​​特彼勒，螺旋螺，游CA虫，白IE蝶，青皮/黄铜

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摘要

Two isolates of entomopathogenic fungi, Beauveria bassiana (Balsamo) Vuillemin were evaluated against Spilarctia obliqua (Walker) and Pieris brassicae Linnaeus by topical application using six conidial concentrations ranging from 10~3 to 10~8 conidia/mi. The LC_(50) of Delhi isolate ranged from 1.27x10~4 to 9.88x10~5 and 3.85x10~5, to 1.7x10~7 conidia/ml against different larval stages of S. obliqua and P. brassicae, respectively, while respective values for Lucknow isolate were 1.14x10~5 to 1.29x10~8 and 6.7x10~6 to 1.34x10~8 conidia/ml.The LTM values that were calculated at highest concentration of test fungi were 42.62,52.41 and 62.28 h and 53.62,62.98 and 118.22 h for 4 to 5,10 to 11 and 15 to 16-day-old larvae of S. obliqua and P. brassicae inDelhi isolate, respectively while 91.88,110.54 and 153.12 h and 110.96,125.89 and 147.76 h for Lucknow isolate, respectively.The results of bioassay indicated that susceptibility decreased with increase in age of larvae in terms of both LC_(50), and LT_(50).
机译：通过局部施用，使用10〜3至10〜8分生孢子浓度的6种分生孢子浓度，局部施用了两种致病真菌，即球孢白僵菌（Balsamo）Vuillemin，以对抗斜长螺旋藻（Walker）和菜青虫Pieris brasicae Linnaeus。德里分离株的LC_（50）分别针对斜生链球菌和芸苔假单胞菌的不同幼虫阶段，分别从1.27x10〜4至9.88x10〜5和3.85x10〜5，至1.7x10〜7分生孢子/ ml。勒克瑙分离物的分生孢子值分别为1.14x10〜5至1.29x10〜8和6.7x10〜6至1.34x10〜8分生孢子/ ml。在最高测试真菌浓度下计算得出的LTM值为42.62、52.41、62.28 h和53.62，在德里分离株中，S。obliqua和P. brasicae的4至5,10至11和15至16日龄幼虫分别为62.98和118.22 h，而勒克瑙分离株分别为91.88,110.54和153.12 h和110.96,125.89和147.76 h生物测定的结果表明，就LC_（50）和LT_（50）而言，敏感性随着幼虫年龄的增加而降低。

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