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Effective control of varroa mite varroa destructor anderson & trueman infesting honey bee colonies apis mellifera l. by some natural products [electronic resource].

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Dimetry, N. Z

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Language: English Summary language: Arabic Description: p.295-308Other title:

مكافحة طفيل الفاروا(varroa destructor anderson & trueman) الذي يصيب طوائف نحل العسل باستخدام بعض المنتجات الطبيعية [Added title page title]

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Bulletin of Faculty of Agriculture. Cairo University, 2005 v. 56 (2) [electronic resource].

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In: The bulletin. Faculty of Agriculture. Cairo University 2005.v.56(2)Summary: Five formulations of natural plant extracts were tested against varma mite infesting honey bee colonies at the apiary of the Plant Protection Research Institute. These extracts were Necm\zal TIS IAzadirachta indica), Vapcomic, emulsifiable conccntrate of chloroform extract of Citrullu\' colocynthis seeds, chloroform extract of citrulluc (powder) and alcohol extract of citrullus (powder). The obtained results show that spmying the infested bee colo;1ies with Ncem Azal TIS recorded the highest reduction perccmagc of mile infestation (94 &93.8%) on sealed brood and adult workers followed by emulsifiable concentrate of chloroform extract of citrullus (92& 93%). On the other hand Yapcomic resulted in the lowest percentage ,)1' infestation reduction (72 &73%) on the scaled brood and adult workers respectively. Moderate results were noticed in the infested colonies treated with chloroform or alcohol extract of eitrullus (powder) which gave in 83.44 & 89.66% and 81.02 & 71.91% reduction percentage of infestation on the same stages of worker bees mentioned above, respectively.

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Five formulations of natural plant extracts were tested against varma mite infesting honey bee colonies at the apiary of the Plant Protection Research Institute. These extracts were Necm\zal TIS IAzadirachta indica), Vapcomic, emulsifiable conccntrate of chloroform extract of Citrullu\' colocynthis seeds, chloroform extract of citrulluc (powder) and alcohol extract of citrullus (powder). The obtained results show that spmying the infested bee colo;1ies with Ncem Azal TIS recorded the highest reduction perccmagc of mile infestation (94 &93.8%) on sealed brood and adult workers followed by emulsifiable concentrate of chloroform extract of citrullus (92& 93%). On the other hand Yapcomic resulted in the lowest percentage ,)1' infestation reduction (72 &73%) on the scaled brood and adult workers respectively. Moderate results were noticed in the infested colonies treated with chloroform or alcohol extract of eitrullus (powder) which gave in 83.44 & 89.66% and 81.02 & 71.91% reduction percentage of infestation on the same stages of worker bees mentioned above, respectively.

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