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本文通过对宝鸡市渭北黄土区抗寒性核桃新品种核桃在2010年度4月中旬遭受低温冻害后结实状况的调查和结果分析,从抗冻性的环境即立地条件和抗冻性个体特性两个方面,阐明了抗寒性新品种核桃在具体的立地条件下遭受低温冻害后的结实特征、品种类型和抗冻害机理。并对所选的中林5号、辽核5、1号、西扶1号及元丰等品种的抗冻性进行了比较和排序,为在宝鸡市渭北黄土区域发展抗冻性核桃品种提供了科学依据。
In this paper, through the investigation and analysis of the results of the cold-tolerant walnut new walnut varieties in Weibei Loess Area in Baoji City in mid-April 2010 after being subjected to the low-temperature frost damage, from the frost resistance environment that is the site conditions and frost resistance individual characteristics of two On the one hand, the characters of hardy cold walnut, which are exposed to low temperature freezing damage under specific site conditions, and the types of cultivars and the mechanism of frost resistance were elucidated. The frost resistance of selected Zhonglin 5, Liao nuclear 5, 1, Xifu 1 and Yuanfeng were compared and ranked in order to develop the antifreeze walnut varieties in Weibei loess area in Baoji City Provide a scientific basis.