果树高接换头“五不要”

• 作 者: 牟水元
• 机 构: 甘肃省武威市西大街胜利新村南5楼科技推广中心 733000
• 出 处: 农家参谋
• 发表日期: 2003年09期
• 关键词: 高接换头 树体生长 短枝型果树 品种品质 矮化中间砧 高接树 需肥量 砧穗 接芽 小叶病

当前,老果园对品种结构的调整,多以高接换头为主。但要注意以下几种情况不宜进行高接换头。 不要在老树上高接 二三十年生的果树主栽品种普遍染有较为严重的病毒病,如果在这些树上高接新品种,新品种的生长都会受到砧木树体内潜在病毒的侵害,轻的造成更新品种品质下降,树体生长势衰弱,结果晚,需肥量

At present, the adjustment of the old orchard’s variety structure is mainly dominated by high replacement heads. However, we should pay attention to the following situations should not be replaced by high. Do not live in the old tree after the thirties of the major varieties of fruit trees are generally infected with a more serious virus disease, if the new varieties of high access to these trees, the growth of new varieties will be under the rootstock tree potential virus damage, light Resulting in the decline of the quality of the updated varieties, tree growth potential weakness, the results of late, the amount of fat