大量的研究证明,苹果品种实际上是自花不实的,同时查明,依品种特性和外界条件影响的不同,可表现出某种程度的自花结实特性。此外还证明,有时在没有异花授粉条件时,某些苹果品种可结少量果实。因此,为了获得高产,所有苹果品种实际上都需要异花授粉。无论是苏联或其它国家的研究者们,都对苹果的相互授粉作用进行了研究;这些研究有可能揭示 A large number of studies have shown that apple varieties are actually self-inflicted, and at the same time, it can be ascertained that some degree of self-inflorescence characteristics can be exhibited depending on the variety and the influence of external conditions. In addition, it has also been shown that some apple varieties can sometimes bear small amounts of fruit when cross-pollination conditions are absent. Therefore, in order to achieve high yields, virtually all apple varieties require cross-pollination. Both the Soviet Union or other countries researchers have studied the mutual pollination of apples; these studies are likely to reveal