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Introduction Experiment of Paeonia rockii in Yinchuan Region

Zhang Li 1,2 ,Shi Xiaozhen 1 (1.Northwest A&F University, Xi’an 712100,China; 2.School of Agriculture, Ningxia University, Yinchuan 750021,China)  
High temperature in summer and low temperature in winter are key facts to the introduction experiment of Paeonia rockii in Ningxia. This paper studied the introduction experiment of some varieties of Paeonia rockii introduced from Lanzhou to Yinchuan region. According to the phenophase, growth quantity , flower production percentage, ecological characteristics etc. in experiment region, this paper analyzed the adaptability of Paeonia rockii , and concluded that Paeonia rockii was a good cultivating flower species in Yinchuan region for its good adaptability and higher ornamental value.
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