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Position: Home > Articles > Studies on the sex ratio of Telenomus iheophilae Journal of Zhejiang University (Agriculture and Life Sciences) 1993 (2)

野蚕黑卵蜂性比的研究

作者：

胡萃;叶恭银;王选民

单位：

浙江农业大学植物保护系

关键词：

野蚕黑卵蜂;性比;母蜂交配率;寄生率;卵块大小

摘要：

1985～1990年六年在浙江、江苏二省五市(县)调查结果表明,野蚕黑卵蜂越冬代雌性比为59.92±10.93％,发生代为71.13±12.58％。各月间性比可有显著或极显著差异,而各地区间、各年度间则无显著差异。雌性比与母蜂交配率呈正相关,其线性关系式为:Y=-96.5057+1.8643x(r~2=0.9312)。雌性比与寄主卵块寄生率和卵粒寄生率均呈负相关,其线性关系式各为:Y=68.0765-0.2163x(r~2=0.8381),y=62.0456-0.3180x(r~2=0.5649)。发生代雌性比与寄主卵块大小的线性关系显著,其关系式为:y=69.4279+0.6360x(r~2=0.6654);越冬代则不显著。

译名：

Studies on the sex ratio of Telenomus iheophilae

作者：

Hu Cui;Ye Gongyin & Wang Xuanmin(Dept. of plant protection ,Zhejiang Agricultural University. , Hangzhou 310029)

关键词：

Telenomus theophilae ; sex ratio ; mating ratio; parasitization; size of egg masses

摘要：

The survey on the sex ratio (female percentage) of Telenomus theophilae Wu et Chen was carried out from 1985 to 1990 in Hangzhou,Haining and Huzhou .Zhejiang Province,and Wuxi-an and Yixing,Jiangsu Province,China. The results indicated that:the sex ratios of T.theophilae in the overwintering and non-overwintering generations were 59. 92±10. 93% and 71. 13±12. 58% . respectively. The significant differences existed among the sex ratios of some different months.but neither did ones among various localities or years. There was a positive correlation between the sex ratio (y) and the mating ratio (x), their linear equation was:y = - 95. 5067 + 1. 8643x (r2 = 0. 9312). The relationship between the sex ratio and the parasitization of host egg masses or host eggs showed a negative correlation, thier linear equations were drawn as follows :y= 68. 0765-0. 2163x (r2 = 0. 8381),y = 62. 0456-0. 3180x (r2 = 0. 5649) .respectively. Statistically,the remarkable linear relationship existed between the sex ratio and the size of host egg masses in the non-overwintering generations(y=69. 4279 + 0. 6360x,r2 = 0. 6654),but no distinct linear relationship existed in the overwintering generation.

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野蚕黑卵蜂性比的研究

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