Low-temperature freeze in-jury is a factor restraining introduction and domestication of fruit trees. Freeze injury types of fruit trees are introduced, technical measures for preventing fruit tree freeze injury proposed, remedies af-ter damage and the late recovery mea-sures introduced, so as to provide scien-tific references for studying cold resis-tance of fruit trees, and cultivating cold-resistant varieties.%低温冻害是影响果树引种和栽培的限制因子。介绍了果树的冻害类型，提出了预防果树冻害的技术措施，以及果树遭受冻害后的补救措施和后期的树体恢复措施，以期为果树抗寒性的研究、抗寒品种的选育提供科学的参考依据。
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