彩色稻对稻纵卷叶螟的发生危害程度及其卵寄生蜂寄生行为的影响

郑许松,田俊策,侯建军,吕仲贤

Effects of Colorful Rice on the Degree of Occurrence and Damage by Cnaphalocrocis medinalis and Parasitic Behavior of Its Egg Parasitoids

ZHENG XuSong,TIAN JunCe,HOU JianJun,LÜ ZhongXian

表2 彩色稻对螟黄赤眼蜂选择寄生稻纵卷叶螟卵的影响

Table 2 Effect of colorful rice on the selection of T. chilonis on C. medinalis eggs

水稻品种 Rice variety 稻纵卷叶螟总卵量 Total number of C. medinalis eggs 被寄生卵数量 The number of parasitized eggs 寄生率 Parasitic rate (%) 紫色稻 Purple rice 55.4±3.6a 29.4±1.9a 52.9±1.3a 常规稻 Common rice 49.4±2.6a 20.9±2.6b 42.8±5.8a t=1.430, P=0.226 t=3.188, P=0.033 t=1.708, P=0.163 黄色稻 Yellow rice 51.8±3.8a 14.5±1.3b 27.9±0.5a 常规稻 Common rice 51.0±2.7a 21.9±2.4a 43.3±6.5a t=0.117, P=0.913 t=2.961, P=0.042 t=2.369, P=0.077 紫色稻 Purple rice 51.2±2.9a 19.8±1.9a 38.9±4.3a 黄色稻 Yellow rice 46.7±4.9a 11.3±1.2b 25.3±5.5a 常规稻 Common rice 47.0±1.9a 16.8±1.4a 36.2±3.1a F=0.518, P=0.620 F=8.168, P=0.019 F=2.280, P=0.183