First Report of Root Rot Caused by Plectosphaerella cucumerina on Cabbage in China
Pan-Liang Li, Ali Chai, Yanxia Shi, Xuewen Xie, Baoju Li
Abstract
Pan-Liang Li, Ali Chai, Yanxia Shi, Xuewen Xie, Baoju Li
Abstract
Severe root rot was observed in fields of cabbages (Brassica oleracea L.) in 2015 in China. Cardinal symptoms of this disease included root rot and wilting leaves. A fungus was isolated from diseased tissues consistently. Based on the morphological features and molecular analysis of the ITS-5.8S rDNA and D1/D2 domain of the 28S rRNA gene, it was identified as Plectosphaerella cucumerina. This is the first report of P. cucumerina causing cabbage root rot in China and the world.
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Severe root rot was observed in fields of cabbages (Brassica oleracea L.) in 2015 in China. Cardinal symptoms of this disease included root rot and wilting leaves. A fungus was isolated from diseased tissues consistently. Based on the morphological features and molecular analysis of the ITS-5.8S rDNA and D1/D2 domain of the 28S rRNA gene, it was identified as Plectosphaerella cucumerina. This is the first report of P. cucumerina causing cabbage root rot in China and the world.
Key concepts: Wilting, Biology, Root rot, Brassica, Botany, Brassica oleracea, Fungus, Horticulture