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杏树成花容易,且易形成大量花芽,但其自然坐果率极低,一般坐果率只有3-5%。笔者经过多年生产实践总结出杏树落花落果的原因及相应的对策。落花落果的原因: (1)花期遭霜冻早春气温变化剧烈,骤然降温常造成杏树花朵和幼果受冻,造成大量的落花落果。(2)授粉树配置不合理杏树相当一部分品种自花结实率很低,如建园时不配置授粉树或授粉树配置不合理,必然造成杏树只见花不见果。
Apricot into a flower easy, and easy to form a large number of flower buds, but its natural fruit setting rate is very low, the general fruit set rate of only 3-5%. After years of production practice, the author summed up the reasons for the falling apricot trees and corresponding countermeasures. The reasons for falling flowers: (1) flowering was frost The early spring temperature changes violently, sudden cooling often caused by apricot flowers and young fruit frozen, resulting in a large number of falling flowers. (2) unreasonable allocation of pollination trees A considerable part of the varieties of apricot self-infiltration rate is very low, such as building a park without pollination or pollination allocation of irrational tree configuration, will inevitably result in apricot saw only see fruitless.