摘要
2009年在荆州市调查了不同蔬菜上甜菜夜蛾幼虫的动态变化。结果表明,甜菜夜蛾发生初期主要在豇豆上发生较多,随着发生量的增大,寄主种类逐渐扩展,在荆州蔬菜寄主主要包括白菜、花椰菜、辣椒、雪里蕻及大葱等。2009年甜菜夜蛾幼虫在辣椒上的密度最大,其次是豇豆。
The population dynamic of Spodoptera exigua Hübner larvae on different vegetables in Jingzhou city was investigated in 2009.The results showed that the S.exigua Hübner was first found on Vigna unguiculata (Linn.),then on Brassica rapa Pekinensis,Brassica oleracea Linnaeus var.botrytis Linnaeus,Capsicum annuum Linn,Brassica juncea var.crispifolia,Allium fistulosum L.The density of larvae of S.exigua was largest on Capsicum annuum Linn,and then on Vigna unguiculata (Linn.).
出处
《长江蔬菜》
2010年第18期85-87,共3页
Journal of Changjiang Vegetables
基金
公益性行业(农业)科研专项经费项目(200803007)
关键词
甜菜夜蛾
幼虫
种群动态
Spodoptera exigua Hübner
Larvae
Population dynamic