摘要
对云南省金平县勐拉乡腰果园成年腰果树冷害状况进行调查.结果表明:该地腰果园成年腰果树有较严重的冷害发生.不同坡向及腰果类型间的冷害程度存在一定差异.根据拟定的冷害分级标准,南坡和坡顶腰果树受害程度较轻,东坡和东南坡受害较严重.开花早的A类型受冷害程度比晚开花B类型严重.冷害级别主要集中在4级,绝大多数叶片失绿,部分植株甚至干枯死亡.显示持续低温天气已经对该地腰果生产造成严重影响.
A study on the cold injury of adult Anacardium occidentale trees was conducted in Mengla Town- ship, Jinping County, Yunnan Province. The result showed that the A. occidentale trees suffered severe damage from the low temperature. There were differences among varied aspects and varieties. According to the standard of cold injury, the A. occidentale trees on the south aspect and on the top of slopes were injured lighter than those on the east and southeast aspects. Early-blooming variety A was injured more severely than late-blooming variety B. The injury to most of the A. occidentale trees was classified as grade 4 with significant chlorosis, some trees dried up and even died because of the cold injury. The result showed that durable low temperature caused severe injury to A. occidentale fruit production.
出处
《西南林学院学报》
2008年第3期36-38,共3页
Journal of Southwest Forestry College
基金
国家林业局资助项目(24027)
西南林学院"面上科研基金"资助项目
关键词
腰果
冷害
云南
Anacardium occidentale
cold injury
Yunnan Province
