龙眼落果的原因及对策

• 作 者: 农秋莲
• 机 构: 大新县水果局,
• 出 处: 农家之友
• 发表日期: 1999年06期
• 关键词: 龙眼树 龙眼园 小果 放蜂 花量 幼果期 开花期间 挂果期 疏果 分果

一、龙眼落果的原因: (一)授粉受精不良,引起小果大量脱落。龙眼树由于花量大,花质差、没有传粉媒介,果园没有放蜂等,造成授粉受精不良,使龙眼在幼果期间大量脱落。 (二)营养不良或偏施N肥。有些果农对龙眼园管理粗放,造成树体衰弱,勉强开花,但由于营养不良,授粉受精后,小果

First, the reasons for the longan drop: (A) poor pollination fertilization, causing a large number of small fruit off. Longan trees due to the large amount of flowers, flowers poor, there is no pollination, the orchard did not put the bees, pollination caused poor fertilization, so that a large number of longan off during young fruit. (B) malnutrition or partial fertilizer N fertilizer. Some fruit growers extensive management of the longan garden, resulting in a weak tree, barely blooming, but due to malnutrition, fertilization after fertilization, small fruit