【摘要】 以杏一年生休眠枝为试材，主成分分析法为手段，用１１ 个生态、代谢以及生理生化指标对３６ 个杏品种的抗寒性进行了综合评价，排出了抗寒性大小序列，其中龙王帽、河北银白杏、串枝红抗寒性最强，早红、崂山红、红荷包抗寒性最差，并提出了杏品种抗寒性鉴定模型。更多还原

【Abstract】 Using principal component analysis,the cold resistance of 36 apricot cultivars was evaluated with the material of dormant shoots and 11 physiology and morphology indexes.Through the test,the resistance of 36 apricot cultivars was determined and sorted.The most cold resistant cultivars are:Longwangmao,Yinbaixing and Chuanzhihong and the most cold sensitive cultivars are:Zaohong,Laoshanhong and Honghebao.The equation which could measure cold resistance grades of apricot cv.was also found.更多还原