Dimethoate
Mostrando 13-14 de 14 artigos, teses e dissertações.
-
13. Effect of two organophosphorus insecticides on the phosphate-dissolving soil bacteria.
Dimethoate and malathion added to soil at 10 and 100 microgram/g caused an initial stimulation of CO2 production. Total counts of bacterial propagules were increased. All insecticide applications increased bacteria producing phospholipases from week 1 until week 4 after the application; bacteria then returned to the original levels.
-
14. Rumen Bacterial and Protozoal Responses to Insecticide Substrates
Insecticides containing organophosphate, chlorinated hydrocarbon, and carbamate were tested with bovine ruminal ingesta fractions. Rumen bacteria exposed to insecticide levels of 0 to 500 ppm in rumen fluid for 4 hr were inoculated into rumen fluid-starch feed extract medium. No apparent significant bacterial count inhibitions were noted. Also, when insectic