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当前位置: 首页 > 文章 > 十一星瓢虫对棉蚜及蚜茧蜂寄生蚜的嗅觉行为反应与选择性研究 新疆农业科学 2019 (3) 489-497
Position: Home > Articles > 十一星瓢虫对棉蚜及蚜茧蜂寄生蚜的嗅觉行为反应与选择性研究 Xinjiang Agricultural Sciences 2019 (3) 489-497

十一星瓢虫对棉蚜及蚜茧蜂寄生蚜的嗅觉行为反应与选择性研究

作  者：
苏悦;马雪;丁建朋;熊仁次;姚永生
单  位：
塔里木大学植物科学学院
关键词：
十一星瓢虫;蚜茧蜂;棉蚜;嗅觉行为反应;选择性
摘  要：
[目的]研究十一星瓢虫对棉蚜及蚜茧蜂寄生蚜(以下简称被寄生蚜)之间的取食选择关系,为合理利用捕食性天敌和寄生性天敌协同治理新疆植棉区棉蚜提供依据.[方法]于室内条件下,利用嗅觉仪测定十一星瓢虫成虫对健康棉蚜(以下简称健蚜)和被寄生蚜的嗅觉行为选择;分别以不同寄生日龄时长的寄生蚜和相同数量未被寄生的健蚜,于同一培养皿中供给十一星瓢虫选择取食,分别统计十一星瓢虫成虫对健蚜和寄生蚜的取食比例.[结果]与健蚜相比,十一星瓢虫成虫对1日龄和2日龄寄生蚜趋向行为反应差异不明显,对3日龄以上寄生蚜有明显负趋向反应,雌、雄成虫间嗅觉反应相似.十一星瓢虫成虫取食1日龄和2日龄寄生蚜比率高于健蚜,但无明显差异;但对健蚜与3日龄、4日龄和5日龄寄生蚜的取食选择性差异显著,更喜欢取食未被寄生的健蚜.[结论]十一星瓢虫成虫对健蚜与高日龄寄生蚜间存在明显的嗅觉行为反应差异,取食选择率与嗅觉反应结果一致,更偏向取食未被寄生的健蚜和初期寄生蚜.
作  者：
SU Yue;MA Xue;DING Jian-peng;XIONG Ren-ci;YAO Yong-sheng;College of Plant Science, Tarim University;
单  位：
SU Yue%MA Xue%DING Jian-peng%XIONG Ren-ci%YAO Yong-sheng%College of Plant Science, Tarim University
关键词：
Ket words: Coccinella undecimpunctata;;Aphis gossypii;;aphidiidae;;olfactory behavior response;;selectivity
摘  要：
【Objective】 Olfactory behavior response and feeding preference of Coccinella undecimpunctata on unparasitic Aphis gossypii(reffered as healthy aphids in the following part) and parasitized A. gossypii by aphidiidae(reffered as parasitic aphids in the following part) were studied in the hope of providing scientific basis of controlling the population growth of cotton aphids through reasonable combination of predators and parasitic natural enemies, and reference for biological control pests in Xinjiang cotton field.【Method】In the laboratory, the olfactory behavior response of ladybirds on parasitic aphids and healthy aphids was determined by olfactometer, and the feeding rates of adult ladybirds to different parasitic ages aphids and the same amount of healthy aphids in the same petri dish were calculated respectively. 【Result】Adult ladybirds showed an evident positive response to the odor of 3 days and older between healthy aphids and parasitic aphids than 1-day-old and 2-day-old aphids, and also female and adult male adults showed similar behavioral responses to odor of the same state aphids. The feed rate of adult ladybirds feeding on parasitic and healthy young aphids of 1-day-old and 2-day-old were identical; But the feed rates of ladybirds on 3-day-old, 4-day-old and 5-day-old parasitic aphids were significantly lower than those on healthy aphids.【Conclusion】There was a significant difference in olfactory behavior between adult adults of ladybird ladybug and adult aphid. The feeding selection rate was consistent with the olfactory response, and the feeding rate was more favorable to feeding the unparasitized aphid and the early parasitic aphid.

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