摘要
为明确春花生和夏花生主要地上害虫发生特点的差异,在山东花生主产区进行了不同播期花生主要害虫发生情况田间调查。结果表明,春花生和夏花生上发生的地上害虫优势种和为害盛期有明显不同。危害春花生的主要害虫是花生蚜、花生叶螨、2代棉铃虫、甜菜夜蛾和蓟马,且不同播期为害程度存在显著性差异;危害夏花生的主要害虫是3代棉铃虫、甜菜夜蛾和蓟马。
Field investigation was conducted in Shandong peanut main producing areas to define the effects of different peanut planting modes on occurrences of above-ground pests.According to the survey results,various planting modes had distinctive influence on dominant species and acute stage.Aphis craccivora,Tetranychus cinnabarinus,second generation Helicoverpa amigera,Spodoptera exigua and Frankliniella intonsa mainly did harm to spring peanut,and there were differences in damage among different spring sowing date.Third generation Helicoverpa amigera,Spodoptera exigua and Frankliniella intonsa mainly did harm to the summer peanut.
引文
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