葡萄着色后期果粒变软,如何才能增加果实硬度?

2025-04-07 00:37:47
推荐回答(2个)
回答1:

葡萄着色不好究其原因有两点:

  1. 品种问题。有的是浅色品种,着色上粉不明显。

  2. 2.光照问题。葡萄着色需要大量的散射光或直射光,一般欧亚品种需要大量的直射光,欧亚杂种需要大量的散射光。

针对第二点原因,建议采取以下措施:

  1. 前期以量定产,定穗疏果,从而使果穗均匀受光。优质葡萄园的1000-1500kg/亩,以此为准定穗,坐果后即开始疏果,早疏果有利于果粒膨大,5-7天完成,疏去不能正常发育的小果,保证果穗的整齐美观。疏果时最好用疏果剪,不用指甲掐,防止交叉感染病菌。果穗松散的品种只需疏掉小果粒,果穗紧密的品种,采用条疏和数粒疏果相结合的方法,即纵向条疏,间距2-5毫米,然后数粒疏果。有些品种需疏2-3次,先疏小果粒,果粒紧密的先不疏掉,果实膨大过程中再疏掉小果粒。经过定穗疏果,既保存了树势翌年不下降,又可使果粒均匀受光,上色变得均匀。

2.果穗套袋,因品种不同选用套袋类型,需直射光较多的欧亚品种选用透光率好的果袋,需散射光较多的欧亚杂种选用一般的木浆纸袋即可。套袋应本着宜早不宜迟的原则,一般在定穗疏果后,喷施一遍杀菌剂,预防病害发生。


3.喷施靓果机密。着色品种在转色期整株喷施靓果机密1500-2000倍液,可以促进果实均匀着色,增加含糖量,提高口感,改善品质。

回答2:

可以选择用富含钛元素+花青素的产品+10种全元素,高鳌合工艺,吸收利用率高,促干物质积累好,均匀膨大,增加果实硬度,达到提升品质,不软果,不掉粒。
比如,欧特10,它里面的钛对促花芽分化有奇效,能平衡营养,
天然花青素,促进自然上色,抗氧化能力非常强,
果树吃17种元素,膨果期,配合氮磷钾叶面喷施,改善果型,后期果子品质不错

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