作者: Jan Bruin , Maurice W. Sabelis
DOI: 10.1016/S0305-1978(01)00052-7
关键词: Intraspecific competition 、 Herbivore 、 Signal release 、 Predation 、 Tetranychus urticae 、 Botany 、 Predator 、 Biology 、 Interspecific competition 、 Olfactometer
摘要: Field and laboratory experiments on chemical information transfer between damaged undamaged plants have provided variable results. Here, we report assays the responses of exposed to volatiles released from infested by spider mites (Tetranychus urticae). Signal-sending receiving (Lima bean, cotton, cucumber tomato) were either conspecific or heterospecific. To measure reaction receiver in terms signal release, used predatory (Phytoseiulus persimilis) as an olfactory sensor tested their behavioural response signals. The results show that intraspecific, well interspecific plant–plant occurs. However, are only weakly attractive predators immediately after taking them away exposure herbivore-induced plant (HIPV), but become significantly more somewhere within a period ca. 2 days. No evidence was found HIPV-exposed exhibit intensified release time they actually attacked herbivorous mites. Taken together, predator odour previously HIPV, significant, weak. We argue weak do not necessarily imply trivial phenomena field.