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題名 | 比較三種無性繁殖法對烏心石舅發根之差異=A Comparison of Three Agamic Methods on Rooting of Magnolia Kachirachirai Seedling Plants |
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作者 | 洪昆源; 李忠舫; 潘富俊; | 書刊名 | 特有生物研究 |
卷期 | 9:1 2007.01[民96.01] |
頁次 | 頁63-70 |
分類號 | 434.28 |
關鍵詞 | 高壓; 嫁接; 扞插; 烏心石舅; Air laying marrot; Stem-grafting; Stem-cutting; Magnolia kachirachirai; |
語文 | 中文(Chinese) |
中文摘要 | 本研究以烏心石舅(Magnolia kachirachirai)實生苗木作為試驗材料,分別進行嫁接、扦插及高壓試驗,單株間之嫁接及扦插試驗皆無法培育出發根之植株,以高空壓條試驗配合萘乙酸(1naphthylacetic acid, NAA) 藥劑處理,在不同處理間之變異數分析之F 值是10.41 (p<0.001),相同處理不同單株間F=14.66(p<0.001) 皆呈現極顯著差異,顯示不同處理及個別單株皆會顯著影響高壓試驗後根之生長,在3,000ppm濃度時具有最顯著之發根效果;單株編號4-3,經過3個月後,發根數目可達到45 根,根平均長度6.88cm,較其他單株為佳,相較於扦插及嫁接的方式,本研究以高空壓條配合藥劑處理,可以成功培育出較完整根系的植株,且有效縮短3個月發根時間。 |
英文摘要 | Rooting experiments were conducted on seedling plants of Magnolia kachirachirai with three agamic methods: stem-grafting,stem-cutting and air laying marrot. Both stem cutting and grafting methods failed to produce rooting plants. The air laying marrot method was processed with four treatments of 1naphthylacetic acid (NAA) at 0 (control), 2,000, 3,000 and 5,000 ppm, each with 10 seedling plants. All three doses successfully induced rooting but with significant differences among the treatments (ANOVA, F-value=10.41, p<0.001) and also among the plants with in the treatments (F-value=14.66, p<0.001). The optimum dosage was found to be 3,000 ppm. After three months, one of the plants (No.4-3) had 45 roots with an average length of 6.88 cm. The results suggested that the air laying method with the NAA treatment is auseful method for seedling plant propagation for Magnolia kachirachirai and perhaps also for other plants. |
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