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Abundance and population fluctuation of e. mundus & e. lutea two parasitoids of bemisia tabaci(genn.) on eleven planthosts at kafr el-sheikh region [electronic resource].

By:

Metwally, S. M. I

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Language: English Summary language: Arabic Description: p.644-656Other title:

الوفرة والتذبذب العددي لطفيليين للذبابة البيضاء Bemisia tabaci علي 11 عائل نباتي في كفر الشيخ [Added title page title]

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Journal of agricultural research Tanta University, 2003 v.29 (4) [electronic resource].

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In: Journal of Agricultural Research Tanta University 2003.v.29(4)Summary: Two parasitoids Eretmocerus mundus Mercet and Encarsia lutea Masi were recorded on eleven planthosts of B. tabaci at Kafr El-Sheikh region. Parasitism percentages of E. mundus were ranged from 12.67-76.15% and 15.01 -74.96%, where those of E. lutea were from 2.88 to 19.29% and from 3.43 to 18.63%, and the combined percentages ranged between 15.55-95.44% and 18.44-93.60% during 2000 and 2001, respectively. The highest parasitism of the two parasitoids, singly or together, were found on hot-pepper followed by yellow leaf curl diseased (YLCD) tomato, eclipta (wild weed), and symptomless tomato. Percentage of E. mundus was ranged from 72.4 to 85.8% and from 71.6 to 84.5% during 2000 and 2001, respectively. Also, it was with maximum perecentages on jew's mallow, soy bean, kidney bean and venice mallow.

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Two parasitoids Eretmocerus mundus Mercet and Encarsia lutea Masi were recorded on eleven planthosts of B. tabaci at Kafr El-Sheikh region. Parasitism percentages of E. mundus were ranged from 12.67-76.15% and 15.01 -74.96%, where those of E. lutea were from 2.88 to 19.29% and from 3.43 to 18.63%, and the combined percentages ranged between 15.55-95.44% and 18.44-93.60% during 2000 and 2001, respectively. The highest parasitism of the two parasitoids, singly or together, were found on hot-pepper followed by yellow leaf curl diseased (YLCD) tomato, eclipta (wild weed), and symptomless tomato. Percentage of E. mundus was ranged from 72.4 to 85.8% and from 71.6 to 84.5% during 2000 and 2001, respectively. Also, it was with maximum perecentages on jew's mallow, soy bean, kidney bean and venice mallow.

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