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In November 2019, stem nematode was found on Codonopsis pilosula in Tanchang county, Gansu province, China. The population of stem nematode was identified on the basis of both molecular and morphological methods. The morphological and morphometric characteristics of this nematode population matched with Ditylenchus destructor Thorne, 1945. The sequences of rDNA-ITS and D2/D3 region of 28S-rRNA similarity with the D. destructor . The pathogenicity results revealed the symptom of dry rot on C. pilosula was caused by this nematode. To our knowledge, this is the first report that D. destructor on C. pilosula in China.

First report of potato rot nematode, Ditylenchus destructor Thorne, 1945 infecting Codonopsis pilosula in Gansu province, China