Abstract:

Through the research on further phenotype identification of flax germplasm resources from Hebei Province germplasm repository, we aim to explore the correlation of the resources’ agronomic traits, and provide a certain base for flax breeding. We took 499 flax germplasm resources as materials, and used R language to conduct the correlation analysis of flax agronomic traits to get their correlation coefficients, and carried out the cluster analysis. Research results showed that: the weight per plant had a significantly positive correlation with the stem number, the branch number of main stem and the effective number, while the plant height had a significantly positive correlation with the stem length. Clustering analysis showed that the 499 germplasm resources were divided into 3 groups, group 1 was suitable for high yield breeding, while group 2 for lodging resistance breeding.

Key words: Flax, Agronomic Traits, Correlation, Cluster Analysis, R Language