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

Table 1 Effect of colorful rice on life table parameters of C. medinalis

观察项目 Observing item 虫态 Insect stage 紫色稻 Purple rice 黄色稻 Yellow rice 常规稻 Common rice 单因素方差分析 One-way ANOVA 存活率 Survival rate (%) 幼虫 Larval stage 34.2±1.3a 30.9±1.2a 26.8±1.1b F=5.559, P=0.043 蛹 Pupal stage 86.2±2.2a 83.4±1.8a 75.0±1.7b F=23.25, P<0.001 发育历期 Developmental duration (d) 幼虫 Larval stage 15.2±0.8a 15.4±0.9a 15.7±0.7a F=0.276, P=0.768 蛹 Pupal stage 5.9±0.2a 5.8±0.2a 6.1±0.3a F=0.656, P=0.552 蛹重 Pupal weight (mg) 20.2±0.9b 22.8±1.2a 20.7±0.9ab F=5.733, P=0.410 性比 Sex ratio (♀/♂) 1.2±0.1a 1.1±0.2a 1.0±0.2a F=0.899, P=0.456