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Environmental factors affecting the immature stages mortality of Bacrocera papayae
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نویسنده
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muttardy f. a.
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منبع
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journal of plant protection and pathology, mansoura university - 2012 - دوره : 3 - شماره : 5 - صفحه:397 -408
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چکیده
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Three major parasitoids of bacrocera papyae (drew) were recorded in papaya , biosters vandenboschi, b. longicaudatus and b.arisanus.relationships between total initial hosts ( b.papayae immatures ) and total hosts killed by each parasitoid species good correlation and parasitoids relationships were not density dependent. the percentage of the larvae that survived through fruit factors was 84.2% in soil, the soil factors reduced survival to 21.3%, amongst the soil, weather accounted for 45.5% biotic factors 16.5 and physical factors 2.5%.while predator ant ( dolicholderus and componotus sp. ) 19.1% of mortality.
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آدرس
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university of benghazi, faculty of science, department of zoology, Libya
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Authors
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