富士苹果果形偏斜的影响因素研究

A Study on Affecting Factors of Fruit Shape of Fuji Apple

于2012年在阿克苏地区红旗坡农场以9a生富士苹果为材料,通过调查果实发育动态,从留果量、套袋方式和不同肥料对果形的影响进行研究。结果表明,在整个果实发育期果形指数先降低后升高,偏斜指数先升高而后略有降低,着生在树体西、南两个方向的果实果形偏斜率略低于东、北方向,着生在树体主干顶端的果实果形偏斜率比树体内膛中、内膛下高。留果量的多少与果形偏斜指数存在正相关,留果量越多偏斜指数越高;套袋对果形指数影响不显著;施入5种生物肥、农家肥和化肥对富士苹果果形指数没有影响,但是处理1(天物科技公司生物肥)能降低果形偏斜指数。

In the experiment,9-year-old Akesu Fuji Apple on the Hongqipo Farm in Akesu area was used as test materials to survey Fuji apple＇s growth and development, the retained numbers of apple and bag- ging methods and the influence of different fertilizations on fruit shape. The result showed that during ap pie fruit growth and development, the fruit shape index first decreased then increased. The deflection index first increased then slightly decreased. The deflection rate of fruit shape at the two directions in the west and south of the tree body were lower than that in the east and the north. The deflection rate of fruit shape on the top of the main stem of the tree body were higher than the middle and bottom of the tree body. There were positive correlations between numbers of retained fruit and the deflection index of fruit shape. The more the numbers of retained fruit,the higher the deflection index;The bagging had no signifcant in- fluence on the index of fruit shape;five bio-fertilizers,organic fertilizer and the control of chemical fertilizer had no effection on shape index,but the treatment 1 TW（The contents of biological fertilizer company）can reduce deflection index of fruit shape.