Article

Occurrence of Leaf Spot of Begonia semperflorens Caused by Alternaria tenuissima in China

2020-08-01

Abstract excerpt

Begonia semperflorens Link. et Otto is widely grown in China for ornamental purposes as well as its edible blossom. In July of 2017 and 2018, a leaf spot of B. semperflorens was observed in many flower nurseries in Harbin, Heilongjiang province, China. Disease symptoms were irregular, gray, sunken leaf spots (0.2 to 2.4 cm in diameter), which expanded to blights with concentric rings, and eventually the whole leav...

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Literature Corpus work: 7a716dcd-54b1-5813-8418-5afa035c2576
DOI: 10.1094/pdis-02-20-0362-pdn

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