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维普资讯http://www.cqvip.com西南园艺Southwest HorticuIture 2006年11月 第34卷第6期:l6一l7 枇杷花穗不同部位着果的观察研究 李伟明 覃其云 覃芳黄燕燕黄硕卢静颉李峰 (广西大学农学院,广西南宁530005) 摘要:选择大五星枇杷的最后一批花作为观察材料,把花穗分为上、中、下3个不同部位.调查其花朵数和着果数,统 计着果率;另外,在开花前用沙网对一些花穗进行套袋处理,防止昆虫授粉,但不防止风媒授粉,观察其着果情况。结果 发现,花穗不同部位的着果率无显著差异:套袋花穗均没有着果 试验在一定程度上探索了枇杷开花结果的习性与规 律.为枇杷的标准化生产提供依据 关键词:枇杷;开花;着果率;花穗:套袋:疏花疏果 中图分类号:¥667.3 文献标识码:C 文章编号:1008—1488(2006)06—016—02 收稿日期:2006—04—10 Study on Fruit-setting Rate of Different Positions within Loquat Panicle Li Weiming,Qin Qiyun,Qin Fang,Huang Yanyan,Huang Shuo,Lu Jingjie,and Li Feng (Agricultural College。Guangxi University,Nanning,Guangxi 530005 China) Abstract:Flower number and fruit—setting rate within different positions of Dawuxing loquat(Eriobotrya japonica Lind1.)panicle both bagged with netting bags,for preventing flowers from insect pollination before blooming and unbagged were investigated, which was divided into three sections:basal,mesial and apical pans.The result showed that there was no significant diference in fruit—setting rate of different positions of the panicle but there were not