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KMID : 0379119830110020099
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Korean Journal of Mycology
1983 Volume.11 No. 2 p.99 ~ p.101
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Yield Loss Associated with Disease Severity of Soybean Black Root Rot by Cylindrocladium crotalariae
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Abstract
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Black root rot caused by Cylindrocladium crotalariae is one of the most serious soilborne disease in soybean. Plant height reduction of Hwangkeum Kong was 38% by the rotting of the whole main root and 9% by rotting of the half of the main root as compared with partial discoloration in the main root. Pod number per plant and seed weight were significantly reduced by the increase of the disease severity. Important yield components such as number of pods per plant and seed weight were negatively correlated with the soybean black root rot severity.
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