Analysis on Phenotypic traits Variation of Different Provenances of 1-year Populus simonii Seedlings

Measurements on April 29th, May 20th, June 4th, June 17th 2017 were carried out on height, leaf number, internode length and number of 1-year Populus simonii seedlings from 15 provenances.Quantitative analysis on internode length of tested provenances demonstrated that the upper part had faster growth, and neighboring internode had similar growth rate.Analysis by K-means clustering (KABC) algorithm on phenotypic traits variation of samples resulted that mean coefficient of variation ranged 6.09%-40.22%, indicating rich genetic diversity.The average phenotypic differentiation coefficient was 17.6%, and the variation within provenances was greater than that among provenances.