By the aid of computer, the variations and distrbutions of 12 esonomic char-
acters among peach cultivars and a common grading standard on these characters were
studied.The results that there were siguificant differences in the variabilities of peach char-
acters. The coeffocents of variation were over 45-60%in output, titrable acid and tannic
acid contents of flesh,and below 20% in soluble solid material and suger contents.According
to the results of X~2 test the di...