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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://irlib.pccu.edu.tw/handle/987654321/18368


    题名: 比較三種無性繁殖法對烏心石舅發根之差異
    作者: 洪昆源
    李忠舫
    潘富俊
    贡献者: 景觀系
    关键词: 高壓
    烏心石舅
    扦插
    嫁接
    日期: 2007-01
    上传时间: 2010-12-30 09:53:07 (UTC+8)
    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乙酸(1-naphthylacetic 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3,000 ppm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。
    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 failedto produce rooting plants. The air laying marrot method was processed with four treatments of 1-naphthylacetic 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 within 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 a useful method for seedling plant propagation for Magnolia kachirachirai and perhaps also for other plants.
    關聯: 特有生物研究 9卷1期 P.63-70
    显示于类别:[景觀學系所] 期刊論文

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