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Awadalla, S., Hendawy, A., Ismael, M. (2016). POPULATION DENSITY OF CHIRONOMID SPECIES AND EVALUATION OF SOME INSECTICIDES AGAINST LARVAE AT KAFR EL-SHEIKH GOVERNORATE RICE FIELDS. Journal of Plant Protection and Pathology, 7(1), 69-72. doi: 10.21608/jppp.2016.50057
S. S. Awadalla; A. S. Hendawy; M. M. Ismael. "POPULATION DENSITY OF CHIRONOMID SPECIES AND EVALUATION OF SOME INSECTICIDES AGAINST LARVAE AT KAFR EL-SHEIKH GOVERNORATE RICE FIELDS". Journal of Plant Protection and Pathology, 7, 1, 2016, 69-72. doi: 10.21608/jppp.2016.50057
Awadalla, S., Hendawy, A., Ismael, M. (2016). 'POPULATION DENSITY OF CHIRONOMID SPECIES AND EVALUATION OF SOME INSECTICIDES AGAINST LARVAE AT KAFR EL-SHEIKH GOVERNORATE RICE FIELDS', Journal of Plant Protection and Pathology, 7(1), pp. 69-72. doi: 10.21608/jppp.2016.50057
Awadalla, S., Hendawy, A., Ismael, M. POPULATION DENSITY OF CHIRONOMID SPECIES AND EVALUATION OF SOME INSECTICIDES AGAINST LARVAE AT KAFR EL-SHEIKH GOVERNORATE RICE FIELDS. Journal of Plant Protection and Pathology, 2016; 7(1): 69-72. doi: 10.21608/jppp.2016.50057

POPULATION DENSITY OF CHIRONOMID SPECIES AND EVALUATION OF SOME INSECTICIDES AGAINST LARVAE AT KAFR EL-SHEIKH GOVERNORATE RICE FIELDS

Article 11, Volume 7, Issue 1, January 2016, Page 69-72  XML PDF (354.07 K)
Document Type: Original Article
DOI: 10.21608/jppp.2016.50057
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Authors
S. S. Awadalla1; A. S. Hendawy2; M. M. Ismael2
1Economic Entomology Dept. Fac. Agric., Mansoura Univ.
2Biological Control Res. Dept., Plant Prot., Inst .AGRIC. Res. Center, Egypt.
Abstract
This study was carried out at El-Sabein village, Sidi Salem District, Kafr El-Sheikh governorate during two successive seasons; 2014 and 2015 for studying the population fluctuations of the rice bloodworms, Chironomus spp. and evaluating three insecticides against the chironomid larvae at rice nursery. The population density of Chironomus spp. exhibited two peaks in each season. Diazinon was the most efficient insecticide in reducing the population density of Chironomus spp. larvae with reductions of 88.62 and 89.85% after 24 hours of treatment while the reductions were 87.14 and 89.42% after 7 days in the two seasons of study respectively. It was followed by Lambada- cychlothrin while Emamectin benzoate was the least effective compound that gave reductions of 76.48 - 77.56% and 79.09 - 82.94%.
Keywords
insecticide; Chironomus spp; rice field; nursery
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