果树花多果少的原因及对策

• 作 者: 毛秀齐
• 出 处: 农家参谋
• 发表日期: 2006年04期
• 关键词: 疏花疏果 树体养分 辅养枝 拉枝 抹芽 放蜂 长旺 环剥 生态条件 弯曲现象

一、原因俗话说“满树花,半树果”。这就是说果树大量地开花,消耗了大量的养分,再加上授粉受精不良,外界因素的影响,就会造成大量的落花和落果。在生产上,经过授粉受精后,子房发育成果实,不提早脱落叫坐果,坐果多少常用坐果率表示,即实际结果占开花数量的百分率。苹果树一般坐?

First, the reason As the saying goes “full tree flowers, half tree fruit.” This means that fruit trees bloom in large quantities, consume a large amount of nutrients, coupled with poor pollination fertilization, external factors, it will cause a lot of falling and falling fruit. In the production, after pollination and fertilization, ovary development fruit, not early called fruit set off, the number of commonly used fruit set fruit that the actual results of the percentage of the total number of flowering. Apple trees generally sit?