造成果树座果率的重要原因是花期遇什么

2025-04-07 13:01:53
推荐回答(1个)
回答1:

  造成果树座果率的重要原因是花期遇高温多雨。
  提高果树坐果率有三招
  疏花疏果 疏花疏果是对花、果量稠密的树进行数量调整,使其负载量适当。如花多、果多、座果率高的果树,过密的串花枝要疏除花序;座果率多的品种多疏,座果率少的果树品种要少疏;一般每一个果枝留两个果,套袋留单果。
  花后喷施尿素 果树因开花、幼果生长以及新梢根叶生长,把树体上贮存的营养物质消耗殆尽,需及时补充营养以减少生理落果,增加产量,一般在花后10天左右喷一次0.5%的尿素,对促进枝叶生长、减少第二次生理落果有明显效果。
  果树进行环状环割 对减少落花落果也有较好的效果,但要注意因树环割。传统的环剥伤树太大,成功的取代了环剥,免除了化学激素杀梢。只需在环割口上涂促花王2号一点点,阳离子就可进入树体内消灭病毒,激活树体内阴离子,使果树生长机能向生殖机能转化,调控生态营养自我匹配,控制疯狂抽条,健壮成花基因及花器子房。促控、促花、消毒、活性一次完成。使果树连年多开花、多坐果,保果、壮果,稳产优质。

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