银杏大小年结果的成因及其克服技术  

The Causes and Overcoming Measures of Alternate Bearing of Ginkgo biloba

作　　者：韦记青[1] 韦霄[1] 唐辉[1] 蒋运生[1] 蒋水元[1] 

机构地区：[1]广西植物研究所,广西桂林541006

出　　处：《广西科学院学报》2006年第1期32-34,38,共4页Journal of Guangxi Academy of Sciences

基　　金：广西回国基金(桂科回0342029);中国科学院"西部之光"人才培养计划(科技人教字[2002]404号)资助项目

摘　　要：分析造成银杏(G inkgo biloba L.)大小年结果的原因,认为银杏形成大小年结果现象是由于树体营养失调、授粉过量、品种间成花差异、种植密度不当、雄株数量少、不良的气候因素的影响等造成的。提出加强水肥管理,合理修剪、适量授粉,大年疏果定产、小年保花保果,撑枝吊枝,防旱排涝,综合防治病虫害等技术措施来克服银杏大小年结果的发生。In the local iarms ,the malnutrtion of varieties, improper density of trees, fewer male trees, bad weather are the main causes of alternate bearing of Ginkgo biloba. To solve these problems, some measures are released as follows, strengthening management in fertilization and irrigation, proper pruning, thinning in high-yield year, keeping flowers and fruits in low-yield year, bracket, and integrated control of diseases and pests.

关 键 词：银杏 结果 大小年 成因 措施 

分 类 号：S664.304.5[农业科学—果树学]