高氏柴胡之混合選種
Other Title
Mass Selection for Bupleurum Kao
Journal
2000年豆類、茶及新興作物育種及生產技術改進研討會論文集
Part Of
農業試驗所特刊第94號
Pages
261-262
ISBN
957-02-7274-0
Date Issued
2000-11
Date
2000-11
Author(s)
張同吳
Chang T.W.
Abstract
二年生高氏柴胡1261株中選出501株優良單株，等比種子數目進行混合，選出231株優良單株，混合之後種植，新的族群之平均株高為94~105cm，分枝26~33，葉長6.1~7.2cm，根重84~108g，根直徑l.43~2.36cm，根長22~34cm，高氏柴胡的根重與地上部的莖直徑具有顯著正相關（相關係數0.81)，選拔方向以莖的直徑較大、分枝數目較多、撒型花序數目較多與根不過分粗大為主，並選擇直立型、根高產及Saikosaponin含量較高的柴胡植株。植株的株高、株重、分枝、根長、根徑與根重間均有顯著正相關。柴胡皂素主要分佈於植物根部，且集中於根部較外層之皮層與韌皮部中，在根部組織中均含有，但由根粗部位往細部位遞增，根毛部位的含量最多，Saikosaponin的含量與根粗成負相關，與根中韌皮部／木質部比例成正相關。柴胡在作物繁殖之分類上屬於常異交作物，花器構造小，人為雜交困難，其抽苔期、株高、分枝數、莖直徑等性狀在族群內之變異相當大，造成採收及利用上之不便。高氏柴胡為台灣特有之柴胡物種，多為野生採集使用，野性極強，但其柴胡皂素之含量據分析優於其他柴胡物種，因此值得開發利用，惟族群之變異程度相當大，故以混合選種法(mssselection)，利用抽苔期、株高、分枝數、莖直徑為選拔指標，分群選拔其根部的產量高及表現型能達一致，以改進族群。
We selected 501 plants from the two-years planted population of 1261 plants Bupleurum Kao Leu chao et chuang, and used equal number of seeds each plants to sowing for mass selection. The average agronomic characters of new population was : height:94- 105cm, branch:26-33, leaf length:6. 1-7.2cm, root weight:84-108g, root diameter: 1.43-2.36cm, root length:22-34cm. Root weight and stem diameter had positive correlation(correlation coefficient: 0.81 ).The selection objective were longer stem diameter, more branch number, more flower number, and proper root diameter. In addition to, erect plant, high yield of root and more content of saikosaponin were be selected for cultured and medical use. Plant height, weight, branch, root length, root diameter, and root weight had positive correlation for each other. More content of saikosaponin were discovered from the cortex of root, phloem of root and root hair. The content of saikosaponin and root diameter had negative correlation. The agronomic variance of Bupleurum Kao were most significant in cultivated and wild population. Bupleurum Kao is a special species distributed in Taiwan of Buplever and the effective content was more superior than the other Buplever. It’s a well used medically for liver health or hepatitis. The mass selection method is effective for breeding of Bupleurum Kao.
Event(s)
2000年豆類、茶及新興作物育種及生產技術改進研討會
Proceeding of the Symposium on the Improvement of Breeding and Production Techniques of Legumes, Tea and New Special Crops 2000
Publisher
農業試驗所
Type
conference paper
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