Virulence Complexity and High Levels of Fungicide Resistance Suggest Population Change of Phytophthora infestans in the Heilongjiang Province of China

@article{Wang2012VirulenceCA,
  title={Virulence Complexity and High Levels of Fungicide Resistance Suggest Population Change of Phytophthora infestans in the Heilongjiang Province of China},
  author={Xiaodan Wang and Mei Guo and Fanxiang Min and Yunfei Gao and Feifei Xu and Shuai Yang and Dianqiu Lu},
  journal={Potato Research},
  year={2012},
  volume={55},
  pages={217-224}
}
Samples of Phytophthora infestans were isolated from 12 city and county fields in the main potato production areas of Heilongjiang province of China between 2004 and 2008. A total of 72 isolates were tested for virulence on a potato R gene differential set and 39 of these isolates were also analysed for their resistance to the fungicide metalaxyl. All 11 differential plants were infected by one or more of the isolates collected; the most commonly overcome differentials were R1, R3, R4, R7, R10… CONTINUE READING

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