The date palm scale, Parlatoria blanchardii (Targioni-Tozzetti) is a target pest of date palm trees causing severe damage resulting in early leaves drop and yield reduction. In the current study, the approximated numbers, occurrence date, size of the generations and their peaks of P. blanchardii were determined during two succesive seasons (2010/2011 & 2011/2012) in order to predict the degree ...
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