2 pages matching piperonyl in this book
Results 1-2 of 2
What people are saying - Write a review
We haven't found any reviews in the usual places.
PART IPROTECTION AGAINST BITES OF MOSQUITOES
PART IIMEASURES DIRECTED AGAINST ADULT MOSQUITOES 1 Use of Insecticides
11 other sections not shown
aldrin alkali allethrin anophelines anti-mosquito applied Bombay boom borrowpits bottom breeding places canal catching stations cattle cent channel chemical chlordane chlorinated hydrocarbons compound containing control of mosquito dehydrochlorination Delhi diameter diazinon dieldrin Dimethyl phthalate dosage drain drainage dusts effective embankments emulsifiable emulsifiable concentrate emulsion Ethyl feet formulation gallon Gambusia gamma BHC gamma isomer gauze hand hole inches India insects irrigation isomer kerosene large number larvicidal oils larvicides larvivorous fish lindane malaria Malaya measures method mosquito breeding mosquito control mosquito larvae nozzle obtained paraffin parathion paris green piperonyl piperonyl butoxide pipes poisoning pond pools possible Post Box practised prevent pyrethrins pyrethrum repellent residual sprays resistant to DDT screening seepage silt sluice soaked soluble solution solvents species sprayer stones stream subsoil water suspension swamp tion Toxaphene toxicity treated usually vegetation vermiculite volatile water dispersible powders water level whilst wire workers