シャクヤクの育種に関する研究 : 優良系統「S-6」および「S-4」の特性と薬用品種「北宰相」との比較

概要

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In Nagano we bred new medicinal strains of Paeonia lactiflora Pallas which we tentatively called "S-6" and "S-4". They were cultivated with a medicinal cultivar "Kitasaishou" bred in Hokkaido in order to compare their characteristics. Their morphological characteristics, the results comparisons of yields and constituents are summarized as follows: S-6 has a long stem and is a spread type strain with a white single flower. The yield of dried root of S-6 is higher than that of Kitasaishou. Paeoniflorin content in S-6 is approximately 4%. On the other hand, S-4 is a spread type with almost the same stem height as Kitasaishou and possesses a pink single flower. The yield of dried root of S-4 is equal to that of Kitasaishou. Paeoniflorin content in S-4 is over 5% but lower than that of Kitasaishou. The morphological characteristics of Kitasaishou cultivated in Nagano was similar to that in Hokkaido. The yield of dried root of Kitasaishou cultivated in Nagano is a little higher than that in Hokkaido. The content ofpaeoniflorin is higher in Nagano than in Hokkaido.
2005-02-20