HUBEI AGRICULTURAL SCIENCES ›› 2018, Vol. 57 ›› Issue (15): 67-70.doi: 10.14088/j.cnki.issn0439-8114.2018.15.017

• Horticulture & Local Products • Previous Articles     Next Articles

Screening and Comprehensive Evaluation of Heat-resistance Rose Varieties in Zhengzhou

WU Hai-dong, GUO Feng-min, SUN Gui-qin, YANG Hua, WANG Sheng, YAN Zhi-jun, YANG Pan   

  1. Zhengzhou Institute of Urban Landscape and Architecture,Zhengzhou 450051,China
  • Received:2018-03-20 Online:2018-08-10 Published:2019-12-19

Abstract: Taking seven characters closely related to the heat-resistance of rose, the heat-resistance of eleven rose varieties was evaluated by the methods of principal component analysis, subordinative function analysis and cluster analysis. The results showed that eleven rose varieties was divided into three grades, the stronger heat-resistance, mid-level heat-resistance and low level heat-resistance; Five rose varieties suitable for the growth under the summer high temperature environment in Zhengzhou city, including Hiohgi, Iceberg, Red Cap, Roundelay, and Schloss Mannheim, were chosen to popularize in the gardens and parks of Zhengzhou city.

Key words: rose(Rosa chinensis Jacq.), principal component analysis, subordinative function analysis, cluster analysis, heat tolerance

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