摘要
为了明确吡虫啉连续处理对不同世代豌豆蚜的生长发育和繁殖的影响。在(24±1)℃、光周期L∶D=16∶8条件下,采用浸叶法,研究了0.2 mg/L浓度的吡虫啉处理蚕豆叶片饲喂红、绿色型豌豆蚜对豌豆蚜连续3代生长发育和繁殖的影响。结果表明:吡虫啉的连续处理对两种色型豌豆蚜生长发育和繁殖均有显著影响(P<0.05)。随着饲养代数的增加,两种色型豌豆蚜寿命逐渐缩短、产蚜量逐渐下降、产蚜期逐渐缩短,但不同世代间各若蚜期差异不显著。
引文
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