Salama,, A., Salama, M., AbdElbaky, M., Ismail, A., Abas, M., Aref, S. (2006). SIDE EFFECTS INSECTICIDAL TREATMENTS ON SIX MAIN PREDATORS COMMONLY FOUND IN COTTON-FIELDS. Journal of Plant Protection and Pathology, 31(1), 429-439. doi: 10.21608/jppp.2006.235151
A. E. Salama,; M. A. Salama; M. A. AbdElbaky; A. A. Ismail; M. G. Abas; S. A. Aref. "SIDE EFFECTS INSECTICIDAL TREATMENTS ON SIX MAIN PREDATORS COMMONLY FOUND IN COTTON-FIELDS". Journal of Plant Protection and Pathology, 31, 1, 2006, 429-439. doi: 10.21608/jppp.2006.235151
Salama,, A., Salama, M., AbdElbaky, M., Ismail, A., Abas, M., Aref, S. (2006). 'SIDE EFFECTS INSECTICIDAL TREATMENTS ON SIX MAIN PREDATORS COMMONLY FOUND IN COTTON-FIELDS', Journal of Plant Protection and Pathology, 31(1), pp. 429-439. doi: 10.21608/jppp.2006.235151
Salama,, A., Salama, M., AbdElbaky, M., Ismail, A., Abas, M., Aref, S. SIDE EFFECTS INSECTICIDAL TREATMENTS ON SIX MAIN PREDATORS COMMONLY FOUND IN COTTON-FIELDS. Journal of Plant Protection and Pathology, 2006; 31(1): 429-439. doi: 10.21608/jppp.2006.235151
SIDE EFFECTS INSECTICIDAL TREATMENTS ON SIX MAIN PREDATORS COMMONLY FOUND IN COTTON-FIELDS
1Pesticides Dept., Fac. Of Agric. Kafr EI-5heikh, Tanta Univ., Egypt.
2Plant protection Research Inst., Agric. Res. Center Giza Dokki, Egypt.
Abstract
The aim of this study is to run periodical survey (every 6 days) of these predators during the whole cotton-season in order to evaluate the side effects of tested compounds on these biological factors. The present work revealed that the population densities of tested predators differed significantly form one season to another and the most abundant predator prevailing cotton fields is the true spider followed by Orius sp < /em>p < /em>., while C. camea is the least one in this respect.
The results indicated that the side effects of tested compounds on the abundance of predators had occurred the percent reduction between 15 . 6 % ( due on p < /em>. alfeiril) and 78 % due on scymnus spp) in First Season ,whil in second Season the percent reduction had occurred between 28.33 % (p < /em>.alfeirii) and 75.79 % ( ch : camea )
On the other hand , the general ratio of percent reductior. in total of six predators were 46.62 % and 52.09 % in both seasons .