请问沙糖橘果树第八年(2017年)得果了,到了第九年(2018年3月)还没开花是什么原因?

2025-04-07 10:01:44
推荐回答(1个)
回答1:

沙糖橘果树,一般成年树不开花;主要有两种情况:(1)去年砂糖橘结果过多,过多地透支果树营养。如果去年10月份没有进行施肥的话,就造成营养不足,这个时候会出现开花少或者不开花的现象。(2)果实没有摘完,一直留在树上,这样就会一直消耗果树的养分,影响花芽分化,来年想开花,已经错过了开花期。
防治方法:(1)加强果树管理。对结果过多的果树,需注意均衡产量;适当修剪枝条,避免消耗太多的营养。及时清理一些小果,防治沙糖橘出现大小年。(2)对于成年挂果树,宜在立秋前后放出秋梢。秋梢应该在11月中下旬转浓绿充实,树体休眠而进入花芽分化。在沙糖桔休眠期间,应控制植株不再抽出冬梢。
一般沙糖桔花芽为混合花芽,即在结果母枝上,已完成花芽分化的芽萌发为春梢,并在其上开花。沙糖桔于2月下旬开始现蕾,3月底进入盛花期,清明前后谢花。

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