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KMID : 0352720090330040311
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Journal of Ginseng Research
2009 Volume.33 No. 4 p.311 ~ p.315
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Control of Phytophthora Blight of Panax ginseng Caused by Phytophthora cactorum using Phosphonate under the Controlled Condition
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Lee Byung-Dae
Park Hoon
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Abstract
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Potassium phosphonate inhibited less mycelial growth of Phytophthora cactorum in vitro than metalaxyl-M. But the net protection rate in leaflet test and whole plant pot test was greater in potassium phosphonate than metalaxyl-M. P. ginseng appeared to have an induced resistance against P. cactorum with phosphonate around 50~100 ppm.
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KEYWORD
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Ginseng, phosphonate, Phytophthora cactorum, leaflet test, pot test
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