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Comparison between inoculative and inundative release for controlling scarab beetles in strawberry using entompathogenic nematodes under field conditions [electronic resource].

By:

Atwa, A.A

Language: English Summary language: Arabic Description: P.197-205Other title:

المقارنة بين الاطلاق المحدود والإطلاق الكثيف لمكافحة الخنافس الجعلية فى الفراولة بأستخدام النيماتودا الممرضة للحشرات تحت الظروف الحقلية.‪ [Added title page title]

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Bulletin of Faculty of Agriculture. Cairo University, 2009 v. 60 (2) [electronic resource].

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In: The bulletin. Faculty of Agriculture. Cairo University 2009.v.60(2)Summary: White grubs, the root-feeding larvae of Temnorhynchus baal (Reiche) cause significant damage to strawberries in Egypt. Entomopathogenic nematodes (EPNs) belong to both Steinernema and Hterorhabdis genera were tested against this scarabaied beetle. Laboratory bioassay indicated that, Stenername glaseri "NJ strain" (Steiner) caused a 100% mortality of the 1st and the 2nd instar lalvae of T. baal. Whereas, 94% mortality of the 3rd instar larvae and 96% mortality of the adult stages three days after nematode treatment were obtained. In contrast, Heterorhabdis bacteriophora "HP 88" (poinar) st{aiils" caused 68, 62, 60, and 58% insect mortality when applied on the 15/, 2nd and 3'd, larval instars and adult stages of T. baal respectively. The current data suggest that, S. glaseri was the most virulent nematode on the all stages of this scarab pest more than H. bacteriophora.

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White grubs, the root-feeding larvae of Temnorhynchus baal (Reiche) cause significant damage to strawberries in Egypt. Entomopathogenic nematodes (EPNs) belong to both Steinernema and Hterorhabdis genera were tested against this scarabaied beetle. Laboratory bioassay indicated that, Stenername glaseri "NJ strain" (Steiner) caused a 100% mortality of the 1st and the 2nd instar lalvae of T. baal. Whereas, 94% mortality of the 3rd instar larvae and 96% mortality of the adult stages three days after nematode treatment were obtained. In contrast, Heterorhabdis bacteriophora "HP 88" (poinar) st{aiils" caused 68, 62, 60, and 58% insect mortality when applied on the 15/, 2nd and 3'd, larval instars and adult stages of T. baal respectively. The current data suggest that, S. glaseri was the most virulent nematode on the all stages of this scarab pest more than H. bacteriophora.

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