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EVALUATION OF SOME NATURAL AND SYNTHETIC INERT DUSTS AGAINST KHAPRA BEETLE Trogoderma granarium EVERTS REARED ON TREATED WHEATS GRAINS | ||
| Mesopotamia Journal of Agriculture | ||
| Article 31, Volume 38, Issue 0, 2010, Pages 222-229 PDF (0 K) | ||
| DOI: 10.33899/magrj.2010.36244 | ||
| Author | ||
| Riyad Ahmed Al-Iraqi | ||
| Abstract | ||
| This study was conducted to evaluate a group of inert dusts against khapra beetle Trogoderma granarium Everts by the determination of population density of the insect and the loss of weight caused by it when reared on wheat treated with dusts for 3 and 7 months storage periods.The results showed that the population density of the insect and the weight loss of grains due to feeding of insects varied according to dust type, concentration, and storage period as well. The lowest number of all stages from two pairs of insects reared on treated grains was 24.0 individuals on carborandom after 3 months of storage with a total average of 134.44 individual against 3.349/100 g grains weight loss, whereas the lowest number at 7 months of storage was 9.6 individual on silica gel dust with a total average of 498.12 individual for all dusts opposed 6.74 g/100g grains weight loss. | ||
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