红富士苹果树形问题及改造方法８０年代中期以来，我省中南部陆续发展了不少红富士苹果乔化密植园，树形多采用自然圆头形。随着树龄的增长，树冠郁闭、光照恶化等不合理整形修剪引起的树冠中下部枝组衰弱，果实变小，着色变差，座果率下降等问题日趋严重，限制了红富士苹... Red Fuji apple tree shape and transformation methods Since the mid 80s, a lot of red Fuji apple Qiaomu close planting garden have been developed in central and southern part of our province, with the use of natural round-shaped tree. With the growth of the tree age, crown closed, light deterioration and other unreasonable plastic trimming caused by the lower branch of the tree crown weak, the fruit becomes smaller, coloration worse, fruit set rate declines and other issues become more serious, limiting the Red Fuji apple. .