Learning of herbivore-induced and nonspecific plant volatiles by a parasitoid, Cotesia kariyai
Learning of herbivore-induced and nonspecific plant volatiles by a parasitoid, Cotesia kariyai
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DOI：
10.1023/a:1014548213671
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发表时间：
2002-03-01
影响因子：
2.3
通讯作者：
Takabayashi, J
中科院分区：
文献类型：
--
作者：
Fukushima, J;Kainoh, Y;Takabayashi, J
利用人工合成化学物质在风洞中研究了香衣雌虫对寄主诱导的植物挥发物的学习。同时暴露于挥发物和粪便对黄蜂进行预处理。一种四种化学物质的混合物，香叶乙酸酯，-石竹烯，-法尼烯。和吲哚是专门从植物出没发布主机幼虫Mythimna separata (host-induced混合),引起了反应天真C kariyai,但没有提高反应条件后,混合五的化学物质,(E) 2-hexenal (Z) 3-hexen-1-ol (Z)醋酸3-hexen-1-yl beta-myrcene,芳樟醇,它不仅被释放从植物出没的主机的幼虫,但也从人为损坏植物或破损的(未指明的混合),在未处理的黄蜂中引起的反应不大，但在条件反射后显著增强了黄蜂的反应。用上述九种化学物质的混合物，黄蜂可以在浓度较低的情况下学习混合物，而不是在非特定混合物中。因此，寄主诱导的和非特异性的挥发性化合物似乎都是重要的，因为在寄主的位置，kariyai雌性学习化学线索。
Learning of host-induced plant volatiles by Cotesia kariyai females was examined with synthetic chemicals in a wind tunnel. Wasps were preconditioned by exposure to volatiles and feces simultaneously. A blend of four chemicals, geranyl acetate, beta-caryophyllene, (E)-beta-farnesene. and indole, which are known to be specifically released from plants infested by host larvae Mythimna separata (host-induced blend), elicited a response in naive C kariyai, but did not enhance the response after conditioning, A blend of five chemicals, (E)-2-hexenal, (Z)-3-hexen-1-ol, (Z)-3-hexen-1-yl acetate, beta-myrcene, and linalool, which are known to be released not only from plants infested by the host larvae, but also from artificially damaged plants or undamaged ones (unspecific blend), elicited little response in naive wasps, but significantly enhanced the wasps' response after conditioning. With a blend of the above nine chemicals, wasps could learn the blend at lower concentrations than they did in the nonspecific blend. Hence, both the host-induced and nonspecific volatile compounds appear to be important for C. kariyai females to learn the chemical cues in host location.