【摘要】 分别以面部、楝果、辣蓼为主提取的植物农药对玉米螟防治效果明显，其中以辣蓼效果为最佳；而供试的5个玉米自交系之间的抗螟性差异显著。更多还原

【Abstract】 A plant pesticide extracted from Stemona sessilifolia (Miq ) Franch. et Sav, Melia azedarach L.and Polygonum Lopathifolium L. Var. Salicifoliu showed remarkable effect of control and prevention to maize borer, and the extractive lique from Polygonum lopathifolium L. Var. Salicifolium reveled the best control effect. Difference of anti-maize borer was remarkable for the 5 miaize self-bred line.更多还原