核桃落花落果及种仁不饱满的原因及防治措施.PDF

第30 卷 第3 期 经 济 林 研 究 Vol. 30 No.3 2012 年9 月 Nonwood Forest Research Sep. 2012 核桃落花落果和种仁不饱满的原因及防治措施 1 2 3 4 4 刘湘林 ，李 平 ，李元振 ，薛华东 ，覃遵环 (1. 湖北三峡职业技术学院，湖北宜昌443000 ；2. 长阳土家族自治县白沙驿林科所，湖北长阳443500 ； 3. 长阳土家族自治县林业局，湖北长阳443500 ；4. 五峰土家族自治县长乐坪林业工作站，湖北五峰4434 12) 摘 要：为了解决核桃落花落果和种仁不饱满的问题，通过查阅相关文献资料分析了核桃落花落果的原因 （即 雌花发育不好、授粉不良、营养不足、环境不宜、负载过重、病虫为害等）和核桃种仁不饱满的原因 （即营养 积累不足，而致使营养积累不足的原因有施肥不当、长期阴雨、采收过早和病虫为害等）；文中针对这些问题 产生的原因提出了增加树体营养、提高雌花质量、防治病虫、抓好果实发育、重施采果肥等防治措施。 关键词：核桃；落花落果；种仁不饱满；防治措施 中图分类号：S664.1 文献标志码：A 文章编号：1003—8981(2012)03—0124—03 Cause and preventive measures of flower and fruit dropping and hollow kernels in walnut 1 2 3 4 4 LIU Xiang-lin , LI Ping , LI Yuan-zhen , XUE Hua-dong , QIN Zun-huan (1. Hubei Three Gorges Polytechnic, Yichang 443000, Hubei, China; 2. Baishayi Forestry Institute of Changyang Tuj ia Autonomous County, Changyang 443500, Hubei, China; 3.Forestry Bureau of Changyang Tuj ia Autonomous County, Changyang 443500, Hubei, China;4. Changleping Forestry Workstation of Wufeng Tuj ia Autonomous County, Wufeng 443412, Hubei, China) Abstract: In order to solve the problem of flower and fruit dropping and hollow kernels in walnut, the reasons were analyzed by consulting relevant literature. Flower and fruit dropping is due to female flower poor development, bad pollination, nutritional deficiency, bad environment, too heavy, disease and pest damage, and so on. The reason of hollow kernels is nutrition deficiency in seeds, caused by fertili