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苏丹草和香根草作为诱虫植物对稻田二化螟种群的抑制作用评估

Journal of biological control(2009)

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Abstract
室内测试了苏丹草和香根草对二化螟的产卵选择性和幼虫存活的影响,在田间进行了苏丹草和香根草控害效果的初步试验.结果表明,二化螟雌成虫对苏丹草和香根草均表现出较强的产卵选择性,产在苏丹草和香根草上的卵量分别是产在水稻上的3.02和4.56倍.两种诱虫植物均对二化螟幼虫具致死作用,二化螟幼虫在两种寄主上不能完成生活史.田间试验表明两种诱虫植物围绕的水稻小区内二化螟枯心率显著低于试验区外20m的对照小区.
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