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二点蝶在我场一年发生四代,为害重,防治困难。因此,寻求理想的防治途径,以便大川应用。I材料与方法甘蔗二点螟住诱芯含有效成份200。g’粒(由中国科学院动物研究所提供)。甘蔗供试品种为“选29”。试验设计两处理:以河(宽25彻)相隔,虫口基数基本一致(为同一承包户留
Two butterfly occurred in my field four generations a year, as heavy, prevention and treatment difficulties. Therefore, seek an ideal way to prevent and control so that Okawa. I Materials and Methods Cotyledon borer Cunninghamia lanceolata contains the active ingredient 200. g ’grain (provided by the Institute of Zoology, Chinese Academy of Sciences). Cane test varieties for the “election 29”. Experimental design of two treatment: River (25 thorough) separated, basically consistent population of insects mouth (for the same contractor household stay