الملخص

The results indicated that the cooking character or reducing percentage of size cooked rice was clearly affected by the infestation of saw toothed grain beetle for two storage period 2 and 4 months and level of infestation ( 10 and 20 and 30 insect ) . Baziani variety was more affected in reducing percentage which reached 33.17 and 68.34 % for two storage period respectively , under the effect of insect infestation which reached in number 99.33 and 169.33 insect , respectively , level infestation (30 insect ) had clearly effect on the average of reducing percentage in rice size which reach 14.88 and 26.37% for all varieties and storage periods . According to the imported varieties , The American variety was more reduced in rice size with the average 14.69 and 24.86 % for two storage periods , respectively with the population density which reached 29.67 and 42.67 insect .