Journal of Economic Entomology (2011) 104, 978-985

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Huipeng Pan, Dong Chu, Daqing Ge, Shaoli Wang, Qingjun Wu, Wen Xie, Xiaoguo Jiao, Baiming Liu, Xin Yang, Nina Yang, Qi Su, Baoyun Xu and Youjun Zhang (2011)
Further spread of and domination by Bemisia tabaci (Hemiptera: Aleyrodidae) biotype Q on field crops in China
Journal of Economic Entomology 104 (3), 978-985
Abstract: The sweetpotato whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), causes severe crop losses to many crops. The worst of these losses are often associated with the invasion and establishment of biotypes B and Q of this pest. Previous research in 2007 showed that biotype Q occurred with other biotypes in most field populations in China. To determine the current status of the biotype composition in the field, an extensive survey covering mainly eastern parts of China was conducted in 2009. Using polymerase chain reaction primers specific for the mitochondrial cytochrome oxidase I of biotypes B and Q and gene sequencing, we determined the biotypes composition in 61 whitefly populations and their distribution across 19 provinces in China. Our research revealed that only biotypes B and Q have been found in the field in 2009 in China. Among them, biotype Q was dominant in 44 locations (100.0%) and biotype B was dominant in 17 locations (100.0%). The current survey indicates that biotype Q has rapidly displaced biotype B in most locations in China.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Shaoli Wang, Qing Jun Wu, Dong Chu

Research topic(s) for pests/diseases/weeds:

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Bemisia tabaci biotype MEAM1 China (south)
Bemisia tabaci biotype MEAM1 China (NE)
Bemisia tabaci biotype MED China (south)
Bemisia tabaci biotype MED China (NE)