Herbicidal Effects on the Differential Rice Cultivation Condition and Damage of No-target Plants of Macro Granule Herbicide for Remote-controlled Aerial Application
2011
Yoon, C.S., Central Research Institute, Kyungnong Co., Ltd., Gyungju, Republic of Korea | Bae, C.H., Sunchon National University, Sunchon, Republic of Korea | Lee, S.C., Sunchon National University, Sunchon, Republic of Korea | Kim, K.H., Central Research Institute, Kyungnong Co., Ltd., Gyungju, Republic of Korea | Lee, K.H., Central Research Institute, Kyungnong Co., Ltd., Gyungju, Republic of Korea | Cho, T.K., Dongguk University, Gyeongju, Republic of Korea | Hwang, I.C., Central Research Institute, Kyungnong Co., Ltd., Gyungju, Republic of Korea
This experiment was carried out to confirm characteristics of macro granule (GG) for herbicidal efficacy by using remote-controlled aerial application (RCAA) to control annual and perennial weeds in rice paddy field, and phytotoxicity to rice and non target plants of formulation types. Herbicidal efficacy of GG applied by using RCAA was 93.6~96.6% in flooded direct sowing cultivation. There was no difference in phytotoxicity between the hand and the power applicator methods in terms of height, number of tiller and yield component. Herbicidal efficacy of GG applied by using RCAA was 92.7~97.3% in machine transplanting rice field. There was no difference in phytotoxicity between the hand and RCAA methods in terms of height, number of tiller and yield component. When suspension concentrate (SC) and GG were applied directly on Chinese cabbage, lettuce, cucumber, pepper, soybean and wild sesame, several symptoms of injury such as, the inhibition of growth, yellowish, leaf fall and withering was observed.
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