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首页> 外文会议>International conference on environmental biotechnology and materials engineering;EBME 2011 >Evaluation of cold resistance of Hosta species in Harbin city
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Evaluation of cold resistance of Hosta species in Harbin city

机译：哈尔滨市玉Host属植物的抗寒性评价

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Hosta undulate, Hosta plantaginea and Hosta plantaginea 'Rosea' were introduced to Harbin to evaluate the cold resistance compared to Hosta ventricosa stearn which can survive during the winter in Harbin. The physiology characteristics of Hosta species were determined under ground conditions. Along with the temperature drop, the increase of relative conductivity and MDA content of Hosta undulate were lower than Hosta plantaginea and Hosta plantaginea 'Rosea'. Whereas contents of soluble sugar and free praline of Hosta undulate were higher than these two Hosta species. In view of the minimum temperature of winter in Harbin, chilling tolerance were conducted at -35°C and -40°C for 3h, 6h and 9h. Hosta undulate shows outstanding cold resistance and recovery growth.
机译：与在冬季可以在哈尔滨生存的Hosta ventricosa stearn相比，将Hosta undulate，Hosta plantaginea和Hosta plantaginea'Rosea'引入哈尔滨以评估其抗寒性。在地面条件下确定了玉species属植物的生理特性。随着温度的降低，玉Host的相对电导率和丙二醛含量的增加均低于玉ag和'Rosea'。玉Host的可溶性糖和游离果仁糖含量高于这两种玉a。鉴于哈尔滨市冬季最低温度，在-35°C和-40°C下进行了3h，6h和9h的耐寒性。玉起伏表现出出色的耐寒性和恢复性增长。

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