主干推倒换头法改良苹果树

• 作 者: 贾士龙
• 机 构: 山东枣庄市山亭区农学会,
• 出 处: 北京农业
• 发表日期: 2008年07期
• 关键词: 主干 苹果 安全系数 高接换头 头法 更新品种 接穗 全部 锯口 枣庄

高接换头一直是果树生产中更新品种,淘汰劣种常见的技术措施。近几年来,山东省枣庄地区部分果园采取主干推倒高接换头的方法改良苹果树,具有以下优点:一是产量损失减少。由于主干没有全部拿掉,当年仍能保持1/2左右的产量,果农乐意接受。二是安全系数高。如果

High takeover has been updated in the production of fruit trees, out of common technical measures of inferior species. In recent years, some orchards in Zaozhuang area of ​​Shandong Province have adopted the method of main trunk to overthrow high replacement heads to improve apple trees, which has the following advantages: First, the yield loss is reduced. As the trunk is not all removed, the year can still maintain about 1/2 of output, fruit farmers willing to accept. Second, the safety factor is high. in case