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頁籤選單縮合
題名 | Dihydrozeatin, A Powerful Chemical for Promoting Shoot Growth of Rice (Oryza Sativa L., cv. Tai-Keng 3) Seedlings="Dihydrozatin"一種誘導栽培稻(臺稉3號)幼苗生長的強促進劑 |
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作者姓名(中文) | 董敏生; | 書刊名 | 臺中區農業改良場研究彙報 |
卷期 | 49 1995.12[民84.12] |
頁次 | 頁57-61 |
分類號 | 434.111 |
關鍵詞 | 溶液; 水稻; 臺稉3號; 幼苗生長; Dihydrozeatin; Hoagland soluting; Rice seedling; Sheet growth a taiwan rice cultivar; Cv. Tai-keng 3; |
語文 | 英文(English) |
中文摘要 | 本題研究的目的主要是在探討dihydrozeatin (DHZ)溶入Hoagland溶液 內(10-9至10-17M)對台梗3號幼苗的shoot及根生長有何不同的影響力。結果顯 示此DHZ溶液在10-9至10-15M之間皆能有效地促進幼苗shoots之生長而沒任 一DHZ溶液對根的生長有助益。由這些結果可知DHZ分子溶入Hoagland溶液 內對稻苗shoots之生長是極有幫助的、快速的且穩定的。除此之外,DHZ溶液 在10-15M仍屬有效濃度,此低濃度是目前在cytokinins影響植物生長的文獻內 最低者。本篇內之研究方法可做為栽培水稻幼苗生長的實用參考。 |
英文摘要 | Effects of dihydrozeatin (DHZ), dissolved in Hoagland solutions at various concentrations (10-9 to 10-17 M), on rice seedling shoot and root growth of a Taiwan cultivar (cv. Tai-keng 3) were investigated. The results showed that Hoagland solutions containing DHZ at 10-9 to 10-15 M all were effective in promoting shoot growth, but none of DHZ solutions enhanced root growth. These results indicate that DHZ molecules dissolved in Hoagland solution are efficient, rapid and stable in promoting Tai-Keng 3 rice seedling shoot growth. In addition, DHZ solution at 10-15 M was found to be the lowest effective concentration in the literatures of cytokinin- promoting growth so far. The method used here can be considered as a practical one for cultivating and improving rice seedling growth. |
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