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http://dx.doi.org/10.5423/RPD.2008.14.3.182

Effect of Bordeaux Mixture on Control of Rice Leaf Blast  

Kang, Beom-Ryong (Environment-Friendly Agricultural Research Institute, JARES)
Kim, Seon-Gon (Environment-Friendly Agricultural Research Institute, JARES)
Kim, Do-Ik (Environment-Friendly Agricultural Research Institute, JARES)
Lee, Yong-Hwan (National Academy of Agricultural Science, RDA)
Choi, Kyong-Ju (Crop Extension Service Division, RDA)
Choi, Yong-Soo (Department of Floriculture, Chunnam Techno College)
Publication Information
Research in Plant Disease / v.14, no.3, 2008 , pp. 182-186 More about this Journal
Abstract
Recently organic farming practice of rice has been emerged in Korea, but one of the major limiting factor is the no effective environmental-friendly agro-materials to control major plant diseases. Bordeaux mixture has been used effectively as a preventive agro-chemical. The aim of this study was to investigate efficacy of Bordeanux mixture on control of rice blast caused by Magnaporthe grisea which is one of the disruptive rice diseases in world-wide. In greenhouse experiment, pre-treatment of 6-6 type of Bordeaux mixture before inoculation of spore suspension of M. grasea showed 71 % of control value. In field experiment, preventive applications of 4-8 and 6-6 types of Bordeaux mixture showed over 71 % of the control value. Chemical injury on rice leaves were not found in the application concentrations of all types of Bordeaux mixture, but observed in applications of Bordeaux mixtures between 30 and 100 diluted concentrations. This results indicate Bordeaux mixture can be used as an effective environmental-friendly agro-chemical to control rice blast disease in the field.
Keywords
Bordeaux mixture; Chemical injury; Control; Rice leaf blast;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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