The effects of Bracon hebetor Say as a parasitoid, on Ephestia kuehniella Zeller population fluctuation in date palm stored condition
2010
Naderi, G. | Seraj, A. A. | Latifian, M. | Takavar, H.
External parasitoid wasp Bracon hebetor Say larvae of some pests stored dates. In this study, change in population growth in four steps bat nuts Ephestia kuehniella Zeller affected parasitoid B. hebetor for 6 months in vitro was paid. two populations in this experiment repeated 3 glass box took. First population included 500 pesticides and 50 larvae with parasitoid sex ratio and the second population contains only 500 larvae are pests. Curve changes in population activity was observed two peak density in the first period egg stage, larva, pupa and insect full 11 weeks, respectively, 6, 8 and 11 weeks during the second 22, 21, 20 and 22 was observed. During 24 week warehousing always pest population growth in four stages assembly conditions (presence of parasitoid population) to less than control treatment (no parasitoid population), respectively, so that the maximum reduction equal to 5.25, 5.36, 4.2 and 4.78 respectively in the four steps were growing pest control suggests that high performance in parasitized by the wasp larvae bat nuts and ultimately control it
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