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Microcapsule formulation of fenitrothion as a soil termiticide
1991 - IRG/WP 1478
The efficacy and the mode of action of a microcapsule formulation of fenitrothion against Coptotermes formosanus Shiraki were investigated. The physicochemical property that this formulation does not allow the active ingredient to diffuse through the capsule wall contributed to a long lasting efficacy and safety for the men spraying. The residual effect of the fenitrothion microcapsule in soil was...
H Teshima, T Itoh, Y Abe


Laboratory evaluation of organophosphates as termiticides
1985 - IRG/WP 3330
In accordance with Japan Wood Preserving Association Standard 11(1) laboratory evaluations of five organophosphate insecticides and chlordane were conducted. Superficially treated sapwood of Pinus densiflora Sieb. et Zucc. (10 x 10 x 20 mm³) was compulsorily exposed to the attacks of 150 workers and 15 soldiers of Coptotermes formosanus Shiraki for 21 days at 28±2°C in the dark. Percentage weig...
K Tsunoda, K Nishimoto


The preventive actions of three commercial wood preservatives against Dinoderus minutus
1984 - IRG/WP 1233
Dinoderus minutus is one of the most common pest insects for the bamboos. For preventing the damages of this insect, the preventive treatment of bamboos with preservatives is necessary. But because of the environmental reasons, only limited insecticides are available in Japan. The author determined the preventive effects of three commercial products against Dinoderus minutus by the medium of the B...
K Suzuki


Persistence and residual activity of organophosphorus termiticides in soil and prevention against the degradation of chlorpyrifos
1991 - IRG/WP 1518
The persistence and the residual activity of four comercial organophosphorous termiticides, Chlorpyrifos, Fenitrothion, Tetrachlorvinphos, Pyridaphenthion, in soil were studied under laboratory conditions. The persistence and the residual activity of four organophosphorous termiticides in two types of soil decreased with the lapse of time. These termiticides were mostly degraded by microorganisms ...
T Iijima, M Tanaka, M Higaki