Mulberry leaves, rich in nutrients and functional ingredients, is used as both food and medicine in China. In order to meet the demand for specialized edible mulberry varieties in the diversified development of mulberry trees, factor analysis method was applied to comprehensively evaluate the nutritional quality of leaves from 45 mulberry germplasms and varieties for the purpose of screening specialized mulberry varieties for edible leaves in this study. Results showed that 13 nutrients in leaves from 45 mu...