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QU He-li;ZHANG Jian-hua;MA Wen-jin
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屈荷丽;张建华;马文婧
摘要: 采用网室接虫、室内饲养等方法,研究了化控药剂缩节胺(DPC)和多效唑(PP333)对棉铃虫田间落卵量、卵孵化率、幼虫生长发育及危害的影响.初步研究表明:与对照相比,化控使棉铃虫卵孵化推迟,孵化率降低17.7;~36.4;,幼虫发育历期缩短0.1~1.7 d,死亡率增加2.0;~28.6;,蛹历期延长0.3~3.0 d.在棉铃虫的不同发育阶段,缩节胺和多效唑对其的影响也有所不同.多效唑对棉铃虫卵孵化的抑制作用比缩节胺强,而缩节胺对棉铃虫幼虫发育及成虫产卵选择性的影响较大.室内外试验中缩节胺、多效唑对棉铃虫危害的影响存在差异,但喷施后都使棉铃虫低龄幼虫的危害减轻.
QU He-li;ZHANG Jian-hua;MA Wen-jin. Effect of Chemical Control on Development And Damage of Helicoverpa armigera (HVbner)[J]. .
屈荷丽;张建华;马文婧. 化控对棉铃虫发育和危害影响的初步研究[J]. .
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