Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2013, Vol. 29 ›› Issue (6): 75-80.doi: 10.11924/j.issn.1000-6850.2012-1313

Special Issue: 马铃薯

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Evaluation of Virus-free Native Cultivars of Sweet Potato in Yunnan Province

  

  • Received:2012-04-09 Revised:2012-05-21 Online:2013-02-25 Published:2013-02-25

Abstract: For the purpose of making better use of sweet potato native cultivars in Yunnan, we collected and evaluated 27 native sweet potato cultivars in Yunnan Province, and the 6 native sweet potatoes were had virus-free. The results showed some of native cultivar were of high yield, such as‘Puer Huangshu’(20.04 t/hm2),‘Qiubei Beipi’(15.60 t/hm2), some were of high quality, such as‘Yanhe Banlishu’and‘Huapin Zixin’. After removing virus by shoot apex culture, the yields of six native sweet potato were had virus-free,‘Yanhe Banlishu’,‘Jianshui Huishu’,‘Huaping Zixin’,‘Malong Zishu’,‘Kunming Zishu’,‘Jianshui Zishu’increased by 175.8%-200.1%, the yield of‘Jianshui Huishu’was 24.00 t/hm2, increased by 200.1%. It is recommended to collect the native sweet potato and remove the virus by shoot apex culture. It will provide useful sweet potato cultivar for production.