甘藷蛋白質含量之變異及其與其他性狀間關係之研究
Other Title
Variation in Protein Content and Its Relation to Other Characters in Sweet Potatoes (Ipomea batatas L.)
Journal
中華農學會報
Journal Issue
新88
Pages
17-22
Date Issued
1974-12
Author(s)
李良
Liang Li
Abstract
利用秋作甘藷品種保存試驗所測定蛋白質之資料，探討塊根及莖葉粗蛋白質含量之變異及塊根蛋白質含量與其他性狀間之關係。 甘藷塊根乾物粗蛋白質含量之變域自1.27%~10.07%，大多數品種塊根蛋白質含量在4.4%~5.2%之間。有效莖葉乾物粗蛋白質含量之變域自12.1%~25.74%，大多數品種莖葉蛋白質含量在19.5%~20.5%之間，由此結果指示，甘藷塊根及莖葉粗蛋白質含量品種間之變域很大。 塊根蛋白質含量與屈折計示度之偏相關係數為顯著之正值，而塊根蛋白質量與塊根收量之偏相關係數為不顯著之正值。 由本研究所得結果可知，因甘藷塊根及莖葉粗蛋白質含量品種間有相當大之差異存在，故利用育種方法，選育高產量及高蛋白質之甘藷品種，具有可能且有經濟利益。
Protein content was determined from a maintenance of sweet potato collections grown under similar cultural management in fall planting. This study was made to obtain information on the variation in crude proteion content among sweet potatoes varieties and the relation of content to several other characters. Protein content in roots of the various sweet potato cultivars ranged from 1.27% to 10.07% dry basis and the effective stem and leaves ranged from 12.1% dry basis to 25.74%. Most cultivars contained between 4.4-5.2% protein in roots and between 19.5-20.5% protein in the effective stem and leaves. The results showed that a wide range of protein content in the various sweet potatoes. A significant positive partial correlation was obtained between protein content or root and sugar refractometer reading when % dry matter in root, flesh color, T/R ratio, stem and leaves wt. and flesh root wt. were held constant. The positive partial correlation between protein content of root and root tuber yield, withe % dry matter in root, sugar refractometer reading, flesh color, T/R ratio, and stem and leaves wt. held constant, were found to be nonsignificant. In this study, it seems clear that varieties very to a considerable extent in their protein levels and that it should be possible through breeding programs to select new clones for both high root tuber yield and high protein content.
Subjects
甘藷
性狀間
蛋白質
Publisher
中華農學會
Type
journal article