El-Sebay,, Y., Abdel-Hady, A., Negm, S., El-Bassiouny, A. (2008). EVALUATION OF THREE TERMITICIDES AGAINST SUBTERRANEAN TERMITE (SAND TERMITE), Psammotermes hypostoma (DESNUAX). Journal of Plant Protection and Pathology, 33(4), 2837-2843. doi: 10.21608/jppp.2008.217772
Y. El-Sebay,; A. A. Abdel-Hady; Salwa E. Negm; A. R. El-Bassiouny. "EVALUATION OF THREE TERMITICIDES AGAINST SUBTERRANEAN TERMITE (SAND TERMITE), Psammotermes hypostoma (DESNUAX)". Journal of Plant Protection and Pathology, 33, 4, 2008, 2837-2843. doi: 10.21608/jppp.2008.217772
El-Sebay,, Y., Abdel-Hady, A., Negm, S., El-Bassiouny, A. (2008). 'EVALUATION OF THREE TERMITICIDES AGAINST SUBTERRANEAN TERMITE (SAND TERMITE), Psammotermes hypostoma (DESNUAX)', Journal of Plant Protection and Pathology, 33(4), pp. 2837-2843. doi: 10.21608/jppp.2008.217772
El-Sebay,, Y., Abdel-Hady, A., Negm, S., El-Bassiouny, A. EVALUATION OF THREE TERMITICIDES AGAINST SUBTERRANEAN TERMITE (SAND TERMITE), Psammotermes hypostoma (DESNUAX). Journal of Plant Protection and Pathology, 2008; 33(4): 2837-2843. doi: 10.21608/jppp.2008.217772
EVALUATION OF THREE TERMITICIDES AGAINST SUBTERRANEAN TERMITE (SAND TERMITE), Psammotermes hypostoma (DESNUAX)
1Dept. of Wood borers and Termite, Plant Protection Research Institute, Dokki, Giza.
2Dept. of Pesticide, Fac. of Agric. El-Mansoura University, Egypt.
Abstract
Treatment with topical application showed that the pyrethroids group, (Cypermethrin) was the highest toxic against the subterranean termites Psammotermes hypostoma (Desn.) after 12 hr. where recorded (LD50 value = 0.056001 and LD90 reached to 0.59557 μg/worker), followed by chlorpyrifos, recorded (LD50 value = 0.08066 and LD90 reached to 0.42698 μg/worker), and fipronil was in the last rank where recorded (LD50 value = 0.089141 and LD90 reached to 1.33442 μg/worker). Data after 24 hr. indicated again that, cypermethrin in the first rank in the acute toxicity, while fipronil come in the next rank followed by chlorpyrifos (LD50 value recorded 0.02265, 0.026085 and 0.0393 μg/worker respectively), and the values of LD90 reached 0.10035, 0.1054 and 0.15748 μg/worker, respectively. At all times control recorded 2, 2 and 4 % for chlorpyrifos, fipronil and cypermethrin, respectively.
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