李淑玲,冯建荣,李亚兰,赵宝龙,樊新民

• 1:新疆石河子大学农学院

摘要(Abstract)：

【目的】为了检测引进苹果品种在石河子的抗寒适应性,筛选出具有较好抗寒性的品种,【方法】以引入的21个苹果品种为材料,选取苹果品种的1 a枝条分别在4、-15、-20、-25、-30、-35℃下进行处理,测定其萌芽率、相对电导率及其logistic曲线并计算临界半致死温度(LT40)、脯氨酸、丙二醛、可溶性蛋白含量。【结果】低温诱导后‘国光’的发芽率显著较高;‘艾达红’、‘寒富’低温诱导后相对电导率和半致死温度都显著较低;‘寒富’、‘贝拉’、‘澳洲青苹’低温诱导后脯氨酸、可溶性蛋白含量显著较高;‘贝当’低温诱导后丙二醛含量显著较低。【结论】21个苹果品种具有较强抗寒能力的有:‘寒富’、‘国光’、‘瑞林’、‘贝拉’、‘澳洲青苹’;抗寒力较弱的品种有:‘老笃’、‘红魁’、‘小黄’、‘甜麦’。

关键词(KeyWords)： 苹果;抗寒性;相对电导率;脯氨酸;可溶性蛋白;丙二醛

Abstract:

Keywords:

基金项目(Foundation): 石河子大学育种专项基金

作者(Author): 李淑玲,冯建荣,李亚兰,赵宝龙,樊新民

DOI: 10.13925/j.cnki.gsxb.2012.06.015

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