Sparse buds, shapes and pruning. Due to the lack of flower suppression in winter, Ehime trees may have many buds. If flower buds are not smoothed, they will consume a lot of nutrients, which is especially unfavorable for crown expansion and premature aging. Therefore, any bud or bud must be wiped off. Generally, flower buds will not be wiped until the tip grows to about 10 cm, otherwise other hidden flower buds will grow.