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Position: Home > Articles > The development and reproduction of Acanthoscelides obtectus(Say) fed on different hosts Plant Quarantine 2017 (3) 6-9

不同寄主对菜豆象发育和繁殖的影响

作  者：
姚洁;戴仁怀;杨丽
单  位：
贵州大学昆虫研究所贵州山地农业病虫害重点实验室
关键词：
菜豆象;寄主;发育;繁殖
摘  要：
为探究不同寄主对菜豆象发育和繁殖的影响,本文选用7种豆类饲喂菜豆象,观察发育历期、存活率和繁殖力等。结果表明菜豆象在7种豆类上均能产卵,但不同豆类上卵孵化率存在差异。其中菜豆上卵孵化率最高为65.65%,红豆上最低为59.56%。幼虫仅在白芸豆、菜豆、饭豆、红豆和绿豆上蛀入危害,以菜豆上菜豆象的世代存活率最高为61.22%,绿豆上最低为46.15%。菜豆上菜豆象全世代发育历期最短为45.83 d,单雌产卵量较大为52.90粒,净增殖率值和内禀增长率值均较大分别为45.84和0.08,各生殖力生命表参数比较结果显示菜豆生殖力生命表参数优于绿豆和红豆,白芸豆和饭豆与其相类似。说明菜豆象在这3种豆类上发育较快,繁殖力较强,存活率较高。菜豆象在黄豆和黑豆上并未见其完成生活史,初步推断在这2种豆类上菜豆象无法正常发育生存。
译  名：
The development and reproduction of Acanthoscelides obtectus(Say) fed on different hosts
作  者：
Yao Jie;Dai Renhuai;Yang Li;The Provincial Key Laboratory for Agricultural Pest Management of Mountainous Region, Institute of Entomology,Guizhou University;
关键词：
Acanthoscelides obtectus(Say);;host;;development;;reproduetion
摘  要：
In order to find out the development and reproduction of Acanthoscelides obtectus(Say) fed on different beans, seven kinds of beans were selected to feed A. obtectus to observe its developmental stages, survival rates and fecundities. Results showed that A. obtectus could lay eggs on all seven kinds of beans, but there were differences in egg hatchability. The hatchability reached the highest on Phaseolus vulgaris(65.65%) and was the lowest on Abrus precatorius(59.56%). Larvae could survive in Phaseolus lunatus, P. vulgaris, Vigna umbellata, A. Precatorius, Vigna radiate, and the generation survival rate reached the highest on P. vulgaris( 61.22%) and was the lowest on V. radiata( 46.15%). The shortest developmental period of the whole generation of A. obtectus on P. vulgaris was 45.83 d and the higher single female fecundity was 52.90 eggs. The reproductive and intrinsic rates were 45.84 and 0.08 respectively. The comparison of the parameters of the fecundity table showed that the fecundity table of P.vulgaris was higher than those of V. radiata and A. precatorius and the same as P. lunatus and V. umbellata,which indicates that A. obtectus develops faster, fecundity and survival rates better on P. vulgaris, P. lunatus and V. umbellata. A. obtectus failed to have a complete life cycle on Glycine max and G. soja, which indicates that A. obtectus is unable to have a normal development on these two beans.

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