Herbicidal Efficacy and Diffusibility of 500g Great Granule for Remote-Controlled Aerial Application in Paddy Rice
2010
Yoon, C.S., Central Research Institute, Kyungnong Co., Ltd., Gyeongju, Republic of Korea | Lee, S.C., Sunchon National University, Sunchon, Republic of Korea | Kim, K.H., Central Research Institute, Kyungnong Co., Ltd., Gyeongju, Republic of Korea | Lee, K.H., Central Research Institute, Kyungnong Co., Ltd., Gyeongju, Republic of Korea | Seok, C.S., Central Research Institute, Kyungnong Co., Ltd., Gyeongju, Republic of Korea | Kim, H.J., Central Research Institute, Kyungnong Co., Ltd., Gyeongju, Republic of Korea | Cho, T.K., Dongguk University, Gyeongju, Republic of Korea | Hwang, I.C., Central Research Institute, Kyungnong Co., Ltd., Gyeongju, Republic of Korea
This study was conducted to investigate herbicidal efficacy and diffusibility of halosulfuron-methyl+mefenacet in water treated with 500 g great granule (GG) and 3 kg granule (GR). The 500 g GG was been spreading on the surface of the water within 6 minutes, 53 seconds, and it's active ingredient was diffused in the water bath of 10 ㎡ size between 30 and 60 minutes. In addition, the diffusion of 500 g GG was influenced by moisture contents, so it have to immediately use 500 g GG in paddy fields when it was been unpacked. The herbicidal efficacy of the 500 g GG and 3 kg GR of halosulfuron-methyl+mefenacet was excellent to most weed species, but showed different efficacy for the control of Aneilema keisak and Scirpus juncoides, that was may be distribution pattern of active ingredient as different formulation.
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