葡萄缺硼癥
關鍵詞: 葡萄 缺硼癥來源: 互聯網
葡萄若缺硼素會抑制花粉發育與發芽,花蕾不能正常開放,花冠干枯不能正常脫落。嚴重缺硼時大量落蕾,新梢頂端卷須干枯,節間變短,組織硬而脆;葉脈間出現黃化,葉面凹凸不平,或向背面翻卷。
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葡萄缺硼時,畝施 0.75 ~ 1.5 公斤硼砂,籬架每株用 30 ~ 60 克為宜。在開花前葉面噴布 0.1 ~ 0.2 %的硼砂溶液有明顯效果。
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- 生命細胞相關
- ELISpot Assay Principle