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EFFECT OF SOME AQUEOUS PLANT EXTRACTS,CONCENTRATION AND TREATMENT METHODS OF Aphis fabae Scopoli ON PREDATION EFFICIENCY OF ADULTS OF Coccinella septempunctata L. | ||
| Mesopotamia Journal of Agriculture | ||
| Article 30, Volume 39, Issue 1, 2011, Pages 248-257 PDF (0 K) | ||
| DOI: 10.33899/magrj.2011.28084 | ||
| Author | ||
| Nazar M. AL-Mallah | ||
| Abstract | ||
| The feeding of the Lady beetle Coccinella septempunctata L. on black bean aphid Aphis fabae Scolopi which was treated directly and indirectly by three concentration (2, 4, 8%) of aqueous seeds extract of Celery, Apium graveolens L., grassnut, Cyperus rotundus L. and Lettuce , Lactuca sativa L., the results of this study showed that the means of daily predation efficiency, percentage of predation efficiency and percentage of increase or decrease in daily predation efficiency reached its maximum level when the paird lady beetles fed on the black bean aphid that treated directly with lettuce seed extracts of 8% conc. during oviposition period which were 159.05, 79.56% and 12.87% respectively , in comparison with 140.94, 70.47%, respectively for control. | ||
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