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http://dx.doi.org/10.7744/cnujas.2014.41.1.017

Herbicidal efficacy of various formulations and application timings of imazosulfuron+fentrazamide mixtures in rice  

Kang, Kwang Sik (Dongbangagro, Technical Research Institute)
Won, Ok Jae (Department of Crop Science, Chungnam National University)
Park, Su Hyuk (Department of Crop Science, Chungnam National University)
Eom, Min Yong (Department of Crop Science, Chungnam National University)
Hwang, Ki Seon (Department of Crop Science, Chungnam National University)
Suh, Su Jeong (Department of Crop Science, Chungnam National University)
Pyon, Jong Yeong (ReSEAT Program, Korea Institute of Science and Technology Information)
Park, Kee Woong (Department of Crop Science, Chungnam National University)
Publication Information
Korean Journal of Agricultural Science / v.41, no.1, 2014 , pp. 17-22 More about this Journal
Abstract
This study was conducted to evaluate the efficacy of formulations and application timings of imazosulfuron+fentrazamide in rice field. Weeding efficacy of imazosulfuron+fentrazamide SC (75+300 g a.i./ha) was more than 95% except Bidens tripartita. The efficacy of this formulation was not related to its formulations but was highly related to application timing. Herbicide application before 5 days after transplanting was best timing to get a maximum weed control. Systemic application before and after transplanting was much higher than single application for weed control. Second leaf stage of Echinochloa spp. and sulfonylurea resistant Monochoria vaginalis was controled over 90% in the imazosulfuron+fentrazamide SC (75+300 g a.i./ha). Based on these data, imazosulfuron+fentrazamide can be applied to provide effective weed control especially in the field infested with herbicide resistant M. vaginalis.
Keywords
Fentrazamide; Formulations; Imazosulfuron; Sulfonylurea-resistant;
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Times Cited By KSCI : 7  (Citation Analysis)
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