Ibrahim, A. (2015). TOXICITY OF SHIH (Artemisia annua) EXTRACTS TO COWPEA BEETLE; Callosobruchus maculatus FABRICIUS. Journal of Plant Protection and Pathology, 6(1), 85-93. doi: 10.21608/jppp.2015.53082
Amira Sh.M. Ibrahim. "TOXICITY OF SHIH (Artemisia annua) EXTRACTS TO COWPEA BEETLE; Callosobruchus maculatus FABRICIUS". Journal of Plant Protection and Pathology, 6, 1, 2015, 85-93. doi: 10.21608/jppp.2015.53082
Ibrahim, A. (2015). 'TOXICITY OF SHIH (Artemisia annua) EXTRACTS TO COWPEA BEETLE; Callosobruchus maculatus FABRICIUS', Journal of Plant Protection and Pathology, 6(1), pp. 85-93. doi: 10.21608/jppp.2015.53082
Ibrahim, A. TOXICITY OF SHIH (Artemisia annua) EXTRACTS TO COWPEA BEETLE; Callosobruchus maculatus FABRICIUS. Journal of Plant Protection and Pathology, 2015; 6(1): 85-93. doi: 10.21608/jppp.2015.53082
TOXICITY OF SHIH (Artemisia annua) EXTRACTS TO COWPEA BEETLE; Callosobruchus maculatus FABRICIUS
Cowpea is an important source of nutrients, particularly of plant proteins. Unfortunately, this crop is infested by several insects in both field and storage. The most important insect pest in the storage is the cowpea beetle, Callosobruchus maculatus Fabricius. The current study investigated the control of this insect pest using plant essential oils extracted from Shih, Artemisia annua. The highest accumulative mortality of C. maculatus adults was achieved by ethanol extract followed by Acetone and Acetone Ethanol extract were 80.00, 66.67 and 66.00%, respectively giving high significant differences. While the numbers of egg laying were the lowest in ethanol and acetone extracts (11.00 and 12.00 eggs/ 10g, respectively) compared to acetone ethanol extract (48 eggs/10 g). On the contrary, acetone extract showed the best repellent impact of the cowpea beetles in egg numbers (6.50 eggs/10 g). However, ethanol extract treatment recorded the highest mortality (76.67%).The reducing damage test in cowpea seeds (damage reduction and weight loss %), either by filter paper technique or cowpea seed technique, was high in ethanol extract treatment . Ethanol extract caused 97.83 and 93.71 %damage reduction without any weight loss in both cases.
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