Morphological traits of five self-cross progeny accessions of Fragaria viridis Duch. were observed. Variation among five self-cross accessions and F. viridis was assessed. Of all 67 biological traits,42 with significant differences were obtained including soluble solids. 15 traits were conducted by principal component analysis and variation coefficient analysis,and the result showed that plant height,plant size,pedicle length,pedicle thickness, inflorescence thickness,and pollen vitality provided the key in...