地处高寒区的同江,冬季气温常低达零下38℃以下,早春昼夜温差有时高达27℃,解冻与结冻常连续交替出现,致使从外地引进许多优良大苹果品种栽培失败。为在本区能裁上抗寒性强的、果实经济价质高的大苹果新品种,笔者从1984年就开始了苹果高接培育的工作。 Located in the alpine region of the same river, the winter temperature is often as low as minus 38 ℃ below the temperature difference between day and night in early spring and sometimes up to 27 ℃, thawing and freezing often appear alternately continuously, resulting in the introduction of many large apple varieties from the field failed cultivation. In order to cut cold-resistant in this area, the fruit of high economic value of large apple varieties, the author started in 1984, Apple’s high pick up work.