新嫁接的果树苗木，由于伤口刚刚愈合，抗逆性极弱，冬季最容易遭受冻害。采用以下几项措施，便会使嫁接植株安全越冬。 一、适时灌冻水。在土壤结冻前，把苗床步道，垄沟，用犁开或人工挖沟，顺沟浇１次封冻水，灌足灌透。这样，土壤刚开始冻结，有助于土壤保温，保持土壤水分 The newly grafted fruit trees and seedlings, because the wound has just healed, the resistance is very weak, the most vulnerable winter frost damage. The following measures will make the grafted plants safe and wintering. First, timely pour cold water. In the soil before freezing, the seedbed trails, furrows, plow or artificial ditching, ditch along a ditch frozen water, filling foot irrigation. In this way, the soil just started to freeze, helping to keep the soil warm and keep the soil moisture