关键词: 草莓(Fragaria ananassa Duch), 脱毒苗, 生长, 果实, 产量

Abstract: Under accelerating culture condition, the plant growth and fruit yield of 2 kinds of virus-free strawberry(A. temporary planted, B. directly field planted) and a virus-carrying strawberry(C) of var. Fengxiang were studied. The result shows:transplant survival rate, plant extending diameter, leaf width, leaf and stem weight, roots weight, number of young roots and fruit product of A and B are higher than that of C significantly. Compared with C, the plant extending diameter of A and B increases 37.68% and 15.43%; the roots weight of A and B increases 107.6% and 57.7%; the number of young roots of A and B increases 128.3% and 76.0% and the fruit yields of A and B increases 15.0% and 14.8%. Besides, the plant highness and single fruit weight of A and B are higher than C. The above indexes in three tested materials have the sequence as A > B > C. This proves that freedom of strawberry virus has significant effect on increasing plant vigor and yield. The temporary planting before field planting can enhance the effect.

Key words: STRAWBERRY(FRAGARIA ANANASSA DUCH), VIRUS-FREE PLANT, GROWTH, FRUIT, YIELD