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jia ji yi liu lin fang zhi gan zhe yi bei chang zuo
Author(s): 
Pages: 53
Year: Issue:  4
Journal: Agrochemicals

Keyword:  甲基异柳磷颗粒剂克百威防治甘蔗异背长蝽主要害虫相对防效宿根蔗经济有效根区施药叶面喷雾;
Abstract: <正> 甘蔗异背长蝽(Ischnodemus sacharivorus)是南方蔗区的主要害虫。其成虫若虫均潜居于叶鞘内侧及心叶中吸取蔗汁,影响甘蔗的正常生长,降低糖分、减少产量。尤以第一代为害宿根蔗苗最重,严重的甚至使蔗苗枯死。由于此虫的体壁较硬,体表光滑,又潜伏在心叶和叶鞘内侧,一般乳剂农药叶面喷雾防效不佳。加之一代盛发期正值雨季,也给叶面施药带来不便。而采用克百威(呋喃丹)根区施药又因成本太高难以推广。为了寻求经济有效的药剂,我们于1987年用甲基异柳磷进行防治甘蔗长蝽的试验,取得较理想的结果。
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