learning and memory duration of wolbachia infected trichogramma brassicae (hym.: trichogrammatidae)
نویسندگان
چکیده
learning host or prey-related olfactory cues may lead to increase efficiency and foraging capacity of biocontrol agents such as trichogramma egg parasitoid wasps in nature. the egg parasitoids, trichogramma species (hym., chalcidoidea, trichogrammatidae), are most commonly and important biocontrol agents that have successfully been utilized against several lepidopteran pests, especially through inundative releases. worldwide, over 32 million hectares of agriculture and forestry have been treated annually with trichogramma for controlling various insect pests. wolbachia is endosymbiotic bacterium induces parthenogenesis in trichogramma wasps and producing female offspring. this research was conducted to study learning ability of wolbachia infected t. brassicae to lemon and peppermint odors by wind tunnel under controlled conditions. according to obtained results, wasps showed significant difference in responses to conditioned and unconditioned odors. memory duration of conditioned wasps lasted till 12 hours after conditioning. odor learning ability recognition of biocontrol agents such as t.brassicae may result in increment of their efficiency in applied biological control programs.
منابع مشابه
Associative learning and memory duration of Trichogramma brassicae
Learning ability and memory duration are two inseparable factors which can increase theefficiency of a living organism during its lifetime. Trichgramma brassice Bezdenko (Hym.:Trichogrammatidae) is a biological control agent widely used against different pest species.This research was conducted to study the olfactory associative learning ability and memoryduration of T. brassicae under laborato...
متن کاملassociative learning and memory duration of trichogramma brassicae
learning ability and memory duration are two inseparable factors which can increase theefficiency of a living organism during its lifetime. trichgramma brassice bezdenko (hym.:trichogrammatidae) is a biological control agent widely used against different pest species.this research was conducted to study the olfactory associative learning ability and memoryduration of t. brassicae under laborato...
متن کاملردیابی و شناسایی باکتریWolbachia در زنبور( Trichogramma brassicae (Hym.: Trichogrammatidae
باکتریهای (α-proteobacteria) Wolbachia همزیستهای درون سلولی هستند که در بافتهای تناسلی تعدادی از بندپایان یافت میشوند. القاء بکرمادهزایی در زنبورهای تریکوگراما اغلب توسط این باکتری که از طریق سیتوپلاسم تخم منتقل میشود، صورت میگیرد. در این تحقیق، آلودگی به باکتری Wolbachia در 5/49، 6/3 و 5/2 درصد از افراد جمعیتهای طبیعی زنبور Trichogramma brassicae Bezdenko که به‌ترتیب از بابلسر، چمستا...
متن کاملhorizontal transmission of wolbachia in trichogramma wasps (hym., trichogrammatidae)
wolbachia is an intracellular endosymbiont, which can induce thelytokous parthenogenesis in trichogramma egg parasitoids with the infected females producing daughters without any mating. with regard to the usual transfer of wolbachia which is vertical from the mother to her offspring through the cytoplasm of eggs, this manipulation of host’s reproduction can enhance its transmission to future g...
متن کاملeffect of host egg storage time and wolbachia infection on qualitative characteristics of trichogramma brassicae bezdenko (hym.: trichogrammatidae)
factors hindering the development of inundative biological control are insect rearing costs and provide an adequate amount of natural enemies at the appropriate time. storage of natural enemies is a useful technique to increase time flexibility of parasitoids production, and coincide the natural enemies release with pest outbreaks period, and also could reduce costs of mass production. another ...
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عنوان ژورنال:
کنترل بیولوژیک آفات و بیماری های گیاهیجلد ۲، شماره ۱، صفحات ۵۳-۶۳
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