Abstract
Several experimental insecticides used as seed treatments were evaluated for control of rice water weevil, Lissorhoptrus oryzophilus Kuschel, in 1963, 1964 and 1965. Fenthion, carbaryl, Nia 10242 (2,3-dihydro-2,2-dimethyl-7-benzofuranyl methylcarbamate), CL 43064 (2-(diethoxy-phosphinothioylimino)-1,3-dithiolane), Bayer 25141 ( O,O- diethy O -[ p -(methylsulfinyl) phenyl] phosphorothioate), Matacil® (4-dimethylamino- m -tolyl methycarbamate), GC 4072 (2-chloro-1-(2,4-dicholrophenyl) vinyl diethyl phosphate), and U-12927 (6-chloro-3,4-xylyl methylcarba-mate) were sufficiently effective to merit more intensive testing.
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