论文部分内容阅读
脱毒苹果幼树生长旺盛 ,利用原有修剪技术很难使树体成花结果。为了对原有修剪技术进行组合配套 ,近而提高树体成花率 ,增加早期产量 ,对脱毒苹果修剪反应进行了调查。1 材料与方法试验于 1 998~ 2 0 0 0年在唐山市钱营镇刘庄村脱毒苹果园进行。试材为红富士和王林 ,树龄 5年
Virus-free apple tree vigorous growth, the use of the original pruning technology is difficult to make the tree into flowers results. In order to support the combination of the original pruning techniques, the rate of tree flower formation was increased, the early yield was increased, and the pruning reaction of the detoxified apple was investigated. MATERIALS AND METHODS Tests were carried out in a drug-free apple orchard in Liuzhuang Village, Qianying Town, Tangshan City from 1998 to 2000. Materials for the Red Fuji and Wang Lin, age 5 years