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      2. 葉面噴施微量元素和氨基酸對小白菜產量及品質的影響
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        國家“十一五”科技支撐計劃重點項目(2008BADA7B03)


        Effects of spraying micronutrient and amino acids into surface of leaves on yield and quality of Chinese cabbage
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          摘要:

          通過盆栽試驗研究葉面噴施不同微量元素及氨基酸對小白菜產量和品質的影響。結果表明:噴施Met (蛋氨酸)、Zn、Mo、B、Gly(甘氨酸)的處理能提高小白菜的產量,其中噴施Met、Zn、Mo的處理與對照相比達到了顯著性差異;而各噴施處理都在一定程度上降低了小白菜硝酸鹽的含量,最高降幅達35.0%,其中噴施Mo、B、Zn、Met的處理與對照相比達到了顯著水平;噴施Gly、Pro(脯氨酸)、Se的處理能同時提高小白菜Vc、可溶性糖、可溶性蛋白的含量。葉面噴施微量元素或氨基酸是提高蔬菜產量、降低硝酸鹽含量改善品質較為有效的方法之一。

          Abstract:

          Pot experiment was conducted to study the effects of spraying different micronutrients and amino acids into the surface of leaves on yield and quality of Chinese cabbage (Brassica rapa L.).The results showed that methionine,zinc,molybdenum,boron and glycine could increase yield of Chinese cabbage.The treatments of spraying methionine,zinc and molybdenum increased yield of Chinese cabbage significantly.All treatments could reduce the nitrate content of Chinese cabbage with the highest decrease of 35.0% compared with the control.Molybdenum,boron,zinc and methionine might reduce nitrate content of Chinese cabbage significantly.Experiment also indicated that glycine,proline and selenium could both increase the contents of vitamin C,soluble sugar and soluble protein of Chinese cabbage.Therefore,spraying micronutrient or amino acids into the surface of leaves is a good application for increasing yield,reducing nitrate content and improving quality of Chinese cabbage.

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        張 木,胡承孝,孫學成,劉金山,陳青云,張 影.葉面噴施微量元素和氨基酸對小白菜產量及品質的影響[J].華中農業大學學報,2011,30(5):613-617

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