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Published online by Cambridge University Press: 01 February 2000
Sclerotinia nivalis causing lettuce drop was found in central China. It was identified on the basis of comparisons of morphological features, cultural characteristics and sclerotial proteins with those of S. sclerotiorum, S. trifoliorum, S. minor and S. nivalis. This is the first report of S. nivalis in China and lettuce is a new host for this pathogen.