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2008年初,全国大部分省市遭遇50年一遇的特大冰雪灾害,湖南省大雪连下14d,气温持续在0℃以下,许多道路结冰难以通行,所有林木全部被冰雪覆盖。很多园艺植物及种苗遭受了严重的冻灾和雪压灾害。1园艺植物冻害基本概念园艺植物冻害属于非侵染性病害,农业气象灾害的一种。即园艺植物在0℃以下的低温使作物体内结冰,对
In early 2008, most of the provinces and cities in China suffered a severe ice disaster of 50 years. In Hunan Province, heavy snow hit even under 0 ℃ for many days and many roads were hard to reach for icing. All the trees were covered by snow and ice. Many horticultural plants and seedlings suffered severe frost and snow pressure disaster. A basic concept of horticultural plant frost damage Horticultural plant frost belongs to a non-invasive diseases, agricultural meteorological disasters. Horticultural plants in the 0 ℃ below the temperature of the crop body icing, right