猕猴桃（ACtinidia）为雌雄异株植物，从播种至开花结果约需4年时间。雌株和雄株的形态特征肉眼无法识别，只能等到开花结果时才能分出雌雄。生产上为了取得高产，必须将雌雄按比例地种植。杂交育种时，依育种的目的不同，有时仅需保留雌株。有时需保留雄株；购种苗的用户也需 ACTINIDIA is a dioecious plant that takes about 4 years from planting to flowering. Female and male plant morphological characteristics of the naked eye can not be identified, can only wait until the flowering results to distinguish between male and female. Production in order to achieve high yield, male and female must be planted in proportion. Hybrid breeding, according to the different purposes of breeding, and sometimes only need to retain female plants. Sometimes need to retain the male plant; users need to purchase seedlings