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Effect Of Ten Certificed And Locally Developed Wheat ýVarieties On The Biology Of Khapra Beetle ýýTrogoderma Granarium Everts. ý

Riyad A. Al-Iraqi(1)and Mohamad A. Mohamad(2) ýý
(1)Department of Biology, College of Science, Mosul University, Iraqý
(2) Department of Plant Protection, College of Agriculture and Forestry, Mosul ýUniversity, Iraqý

Abstract


Khapra beetle in Iraq is considered one of the most important pests which infest ýgrains especially wheat and barely during storage causing a great loss in national ýincome. The field survey in the stores showed that varieties differ in infestation rate ýby the beetle. Therefore, the present investigation aimed to study some biological ýactivities of khapra beetle on ten locally developed wheat varieties and their ýrelation to the susceptibility of these varieties to infestation by this beetle. The ýeffect of grain type on the biology of the pest was also studied in addition to the ývarieties preference by the larvae for feeding and adults for egg laying.ý


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