Abdel-Rahman, Yehia A., Plant Protection Department, Faculty of Agriculture, Al-Azhar University, Assiut, Egypt, Egypt

• Journal of Phytopathology and Disease Management Vol. (7), Issue (1) - Research Articles
  Population fluctuations of oystershell scale insect, Lepidosaphes ulmi (L.) (Homoptera: Diaspididae) on certain olive varieties and the factors affecting its population
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