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Weed control efficacy of the tank-mixture between quizalofop-P-ethyl and KSC-35089, a newly synthesized N-arylphthalimide compound  

Kim, Tae-Joon (Korea Research Institute of Chemical Technology)
Song, Jae-Eun (Korea Research Institute of Chemical Technology)
Choi, Jung-Sup (Korea Research Institute of Chemical Technology)
Kim, Hyoung-Rae (Korea Research Institute of Chemical Technology)
Pyon, Jong-Young (Chungnam National University)
Cho, Kwang-Yun (Korea Research Institute of Chemical Technology)
Publication Information
The Korean Journal of Pesticide Science / v.6, no.3, 2002 , pp. 183-192 More about this Journal
Abstract
Herbicidal effect of KSC-35089, a newly synthesized N-arylphthalimide compound, was examined, and its interaction with quizalofop-P-ethyl when foliar applied as a tank-mixture was evaluated under a greenhouse condition. KSC-35089 showed stronger herbicidal activity on broadleaves than grasses, suggesting that it would be an appropriate partner for non-selective weed control with quizalofop-P-ethyl, a strong grasskilling ageant. In general, the interaction between KSC-35089 and quizalofop-P-ethyl appeared to be additive, which indicates each compound acts on whole plant level independently. This additive interaction was confirmed in a spectrum test using 19 grasses and 26 broadleaves. Under the greenhouse condition, all tested plants were controlled around 90% level through a foliar application with a tank-mixture of KSC-35089 at 64 g ai/ha and quizalofop-P-ethyl at 32 g ai/ha. Further study would be required on the action mechanism of this additive interaction.
Keywords
N-aryl phthalimide; quizaloforp-ethyl; tank-mixture; herbicide interaction; non-selective weed control;
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