张建光;李英丽;张江红;

• 1:河北农业大学园艺学院·河北省梨工程技术研究中心

摘要(Abstract)：

梨树花期霜冻是我国北方常见的自然灾害,个别年份发生危害面广量大,能给梨果产业造成巨大的负面影响。由于霜冻发生的复杂性,迄今这方面的研究难以深入,导致各地在实践中有时盲目采取防御措施,结果是收效甚微,甚至劳民伤财。此外,霜冻发生后,对于梨园管理究竟应该采取何种态度和做法,梨农也是众说纷纭,分歧明显。那么,究竟应该如何正确认识霜冻危害的本质,把握好今后霜冻防御的研发重点,是科研工作者所面临的新的挑战。笔者根据近年来的研究和实践,围绕着与北方梨花期霜冻灾害相关的几个问题进行了分析,以便为今后花期霜冻防御技术的研发提供新的思路。

关键词(KeyWords)： 梨;花期;霜冻;自然灾害

Abstract:

Keywords:

基金项目(Foundation): “十二五”国家科技支撑计划课题(2014BAD16B07)

作者(Author): 张建光;李英丽;张江红;

Email:

DOI: 10.13925/j.cnki.gsxb.2018.S.06

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