ANALYSIS OF CANONICAL CORRELATION BETWEEN THE GROWTH OF PLATYCLADUS ORIENTALIS(L.)FRANCO SEEDLINGS FROM DIFFERENT PROVENANCES AND THE CLIMATIC FACTORS IN THEIR ORIGINAL REGIONS
Abstract:The relationships between the characters of the 2 years old Platycladus orientalis (L.) Franco seedlings from 56 provenances and the climatic factors in their original regions were studied by using the method of canonical correlation. The results show that (1) the correlations between the number of branch, female flower and the annual precipitation are significant; (2) the number of male flower is related to the annual mean temperature especially the mean temperature in January besides the annual precipitation; (3) the value of weights to "Overfell tallow" is great among the factors of the first two canonical variables. In favor of indirect selection, "Overfell tallow" is a character to which attention must be paid. Moreover, the map of cluster points was drawn on the basis of the weights between the climatic factors and the biological factors of the canonical variable 1. 3 ecotopes and 7 ecoplots were classified in accordance with the map of cluster points. Consequently, the climatic characteristics of the ecotopes and the growth situation of their ecotypes were summarized.