GERMPLASM RESOURCES OF WILD FRUITS IN LINXIA REGION
Meng xi ( Forestry Research Institute of Linxia Zhou, Gansu province ) Hu Guangxian ( Forestry Bureau of Linxia Zhou, Gansu Province )
This paper reports some results of investigation of wild fruits in Linxia region of Gansu province during 1984-1986. 1. Preliminary investigation indicated that there were 53 species of wild fruits in Linxia region, belonging to 13 families and 26 genera. Fifty of them were woody plants and three were herbaceous. 58.5% of the total belong to Rosaceae ( 31 species ) . 2. The fruits of 19 kinds were analysed for their nutrient content including suger, organic acid, vitamin C, amino acid, major and trace elemets. Among them, there were 8 kinds in which fruits the content of vitamin C was over 500mg/100g, especially Rosa davidii Crep, reaching 2354mg/100g. Besides, its fruits contented 28700ppm of potassium, a number of amino acids and trace element. Rosa davidii, a bush, is distributed witely in this region. Its fruit, with high nu-tritive value, has the prospect of being utilized.