EI·Naggar,, M. (2003). STUDY OF THE EFFECT OF SOME CARBAMATE AND ORGANOPHOSPHORUS PESTICIDES AGAINST NAILS, Siomphalarla aJexandrina AND Bulinus truncetus AND THEIR CHEMICAL STABILITY IN WATER. Journal of Plant Protection and Pathology, 28(3), 2259-2269. doi: 10.21608/jppp.2003.243139
M. M. F. EI·Naggar,. "STUDY OF THE EFFECT OF SOME CARBAMATE AND ORGANOPHOSPHORUS PESTICIDES AGAINST NAILS, Siomphalarla aJexandrina AND Bulinus truncetus AND THEIR CHEMICAL STABILITY IN WATER". Journal of Plant Protection and Pathology, 28, 3, 2003, 2259-2269. doi: 10.21608/jppp.2003.243139
EI·Naggar,, M. (2003). 'STUDY OF THE EFFECT OF SOME CARBAMATE AND ORGANOPHOSPHORUS PESTICIDES AGAINST NAILS, Siomphalarla aJexandrina AND Bulinus truncetus AND THEIR CHEMICAL STABILITY IN WATER', Journal of Plant Protection and Pathology, 28(3), pp. 2259-2269. doi: 10.21608/jppp.2003.243139
EI·Naggar,, M. STUDY OF THE EFFECT OF SOME CARBAMATE AND ORGANOPHOSPHORUS PESTICIDES AGAINST NAILS, Siomphalarla aJexandrina AND Bulinus truncetus AND THEIR CHEMICAL STABILITY IN WATER. Journal of Plant Protection and Pathology, 2003; 28(3): 2259-2269. doi: 10.21608/jppp.2003.243139
STUDY OF THE EFFECT OF SOME CARBAMATE AND ORGANOPHOSPHORUS PESTICIDES AGAINST NAILS, Siomphalarla aJexandrina AND Bulinus truncetus AND THEIR CHEMICAL STABILITY IN WATER
Dspt. of pesticides, Fac. of Agric, Kafr EI·Sheikh Tanta Unlv, Egypt
Abstract
Labora\ol'j trials for Ihe controlling two snails species namely Blomphlada alexandrina and Bulinus truncatus were carried out. Three carbamate compounds (Trimelhacarb' Thiodicarb and Melhlocarb) and three organophosphorus compounds (Trichloroton; Pnormothion and Phorate) were tesled fOf their mollusc\clda\ activilies at intervals wilh time up 10 10 days. On basis of LD5J values after 24 h. or 48 h.exposure, the toxicity order fOt' the carbamates compounds were trimethacarb > thiodicarb ~ methlocarb and that of organophosphorus compounds was trichlorofon > formolhion :> phorata, Biomp < /em>halaria alexandrina was found to be more sensitive to all the eesuclces tested than Bulinus truncates, snails.
Also the Chemical stability or the previous pesticides in water was determined using HPLC method for all pesticides tested. This wa~ done by allowing Ihe expected Lego values for 24-hours exposure to stand for varying pertods before testing thsrn against snails. The stability of the previous pesticides were ranged as follow: trlmethacarb > Itliodicarb > msthlocarb > formolhion ,. phorate > tliChlocofon that with HPlC method and wilh toxicity test against Blompha/aria a/exandrina. snails,
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