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題 名 | Reduction of Aluminum-inhibited Root Growth of Rice Seedlings with Supplemental Calcium, Magnesium and Organic Acids=氯化鈣、氯化鎂與有機酸對氯化鋁所抑制水稻幼苗根生長之影響 |
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作 者 | 王振武; 高景輝; | 書刊名 | 作物、環境與生物資訊 |
卷 期 | 1:3 2004.09[民93.09] |
頁 次 | 頁191-198 |
分類號 | 434.111 |
關鍵詞 | 氯化鈣; 氯化鎂; 有機酸; 氯化鋁; 水稻; 根生長; AlCl[feb0]CaCl[feaf]; MgCl[feaf]; Organic acid; Rice; Root growth; |
語 文 | 英文(English) |
中文摘要 | 摘要 氯化鋁溶解於半量之木村氏B 水耕液 抑制水稻根生長之能力低於氯化鋁溶解於 蒸餾水中。木村氏B 水耕液內含有無機鹽 與有機酸,因此我們探討氯化鈣、氯化鎂與 有機酸對氯化鋁所抑制水稻幼苗根生長之 影響。試驗結果顯示,氯化鈣、氯化鎂、磷 酸氫鈉與有機酸(citrate、malate、tartarate 及oxalate)可降低氯化鋁所抑制水稻根之 生長。氯化鈣、氯化鎂與有機酸之效應係經 由其降低水稻根內鋁之含量所造成。 |
英文摘要 | ABSTRACT AlCl3 dissolved in half-strength Kimura B nutrient solution was observed to be less effective in inhibiting root growth of rice seedlings than that dissolved in distilled water. Kimura B nutrient solution is composed of inorganic salts and citrate. Thus, we investigated the influence of inorganic salts and organic acids on AlCl3-inhibited root growth of rice seedlings. It was observed that CaCl2, MgCl2, NaH2PO4, citrate, malate, tartarate, and oxalate were able to reduce AlCl3-inhibited root growth of rice seedlings. Results suggest that the effect of CaCl2, MgCl2, and organic acids on AlCl3-inhibited root growth is mediated through reducing Al level in roots of rice seedlings. |
本系統中英文摘要資訊取自各篇刊載內容。