甜菜夜蛾在太仓菜田的发生与危害特征
Occurrence and damages of beet armyworm populations in vegetable crops in Taicang.
韩兰芝1;翟保平1;张孝羲1;顾伯良2;施文贤2
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DOI:
作者单位:1.南京农业大学农业部病虫监测与治理重点开放实验室,南京210095;2.江苏省太仓市植保站,215400
中文关键词:甜菜夜蛾;发生;危害;太仓县
英文关键词:Spodoptera exigua;occurrence; damages; Taicang County
中文摘要:通过江苏太仓甜菜夜蛾田间种群的调查、性诱、灯诱及系统解剖资料表明 ,甜菜夜蛾在太仓 1年可发生 7代 ,第 7代是不完全代 ;9月末 10月初大批出现的甜菜夜蛾成虫可能是即将迁出的种群 ;田间卵峰日通常比蛾峰日落后5~6d ;寄主选择性调查表明 ,甜菜夜蛾喜欢在十字花科植物上产卵
英文摘要:A field investigation of beet armyworm populations was carried on in Taicang County, Jiangsu Province. Pheromone and black light trapping plus examination of ovaries found that there were 7 generations in Taicang a year and that the 7th was incomplete; a