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菌物学报  2013 

A powdery mildew fungus parasitizing sand binder Hexinia polydichotoma

Keywords: Leveillula lactucae-serriolae,morphological charaters,rDNA-ITS sequence analysis,pathology identification

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During 2009 and 2011, biodiversity of powdery mildew fungi was investigated in Tarim basin, Xinjiang Autonomous Region of China. A powdery mildew was found to be very seriously epidemic on sand binder Hexinia polydichotoma. Morphological observation and rDNA-ITS sequence analysis have proved that the pathogen belongs to Leveillula lactucae-serriolae. This pathogen was first reported in China, and H. polydichotoma was a new host for powdery mildew fungi.


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