Phytotoxicity herbicides in water-seeded rice culture
1988
Pyon, J.Y. (Chungnam National Univ., Taejon (Korea R.). Coll. of Agriculture) | Oh, S.H. | Kim, S.Y. (Chungnam Provincial Rural Development Administration, Taejon (Korea R.))
In order to select herbicides which may be feasible to water-seeded rice culture, pot trial was initiated to determine phytotoxicity of rice plants to pyrazolate, bensulfuron methyl, chlormehtoxynil, and benthiocarb under water-seeded condition. Pyraolate at 300 and 600g ai/10a did not show crop injury and growth inhibition of rice plants. Bensulfuron methyl at 5.1g ai/10a and benthiocarb at 210g ai/10a were relatively safe to water-seeded rice plants when treated at 5 days after seeding. Chlormethoxynil at 210g ai/10a showed crop injury and growth inhibition of rice plants and thus may not be feasible to water-seeded rice culture
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