论文部分内容阅读
我市苹果约两万亩,产量长期徘徊在五、六百万斤。形成低产的原因很多,但品种低产、质差是个重要方面。为了解决这一问题,我们于1965年开始,在长安王莽公社园林学校进行苹果皮下枝接,多头高接换种试验,在全市大面积推广。已高接秦冠、金冠等优质丰产品种2.5万多株。现将试验及调查结果报告如下: 一、苹果皮下多头高接换种的方法尽量利用树冠原有枝条,采用皮下插枝接法,进行大量接枝。 (一)骨架整形原则 1.高接时,要本着因树造形,随枝高接,固定骨干,不强求树形,防止大拉大砍的原则,选留6—7个大枝作主枝,主枝上
About twenty thousand acres of apple in our city, the output hovering in five or six million pounds. There are many reasons for the low yield, but the low yield and poor quality are important aspects. In order to solve this problem, we began in 1965, Chang’an Wang Mang commune garden schools apple subcutaneous branches, long high replacement test, the city’s large-scale promotion. High has been received Qin Guan, Golden Delicious and other high-yield varieties of more than 25,000 strains. Now the test and the survey results are reported as follows: First, the method of apple subcutaneous bump high replacement Try to use the original branches of the crown, the use of subcutaneous cuttings, a large number of grafting. (A) the principles of skeleton plastic 1. High pick, should be shaped due to the tree, with the high branches, fixed backbone, do not force the tree, to prevent large pull cut principle, choose to stay 6-7 branches as the main branch , The main branch