Outbreak of powdery mildew caused by Erysiphe heraclei on Pleurospermum kamtschaticum in Korea |
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Authors: | M. J. Park J. K. Choi J. H. Kim H. D. Shin |
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Affiliation: | 1. Division of Environmental Science and Ecological Engineering, Korea University, Seoul 136‐701;2. Gangwon Agricultural Research & Extension Services, Chuncheon 200‐150, Korea |
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