Abstract
The direction of flower cluster extension was investigated in micropropagated strawberry plants with no stolons. If micropropagated plants were planted at an angle of 20 to 25°, primary flower clusters developed in an inclined direction. However, primary flower clusters developed in the opposite direction if inclined pots were rotated by 180°, 40 days after the first inclination treatment. These results show that the direction of extension of primary flower clusters is determined geotropically during the period between flower bud differentiation and anthesis. Furthermore, it is likely that micropropagated plants will extend flower clusters to the aisle side if they are planted at an angle of 20 to 25° toward the aisle side.
