Analysis of Classification and Genetic Relationship among Core Sunflower Germplasm Resources

doi:10.7668/hbnxb.2017.04.018

Abstract

Abstract: Sunflower is one of most important oil crops,and is also a kind of potential ornamental plants. Analysis of classification among the core sunflower germplasm resources is helpful for utilizing hetero.Morphological characteristics and RAPD markers were employed in detecting the genetic diversity among 50 sunflower germplasm resources with UPGMA method. The genetic diversity among the resources was revealed by cluster analysis on morphological characteristics. Clustering analysis indicated that the germplasms could be divided into three groups:27 germplasms were classified into group Ⅰ;group Ⅱ had 22 germplasms and group Ⅲ had 1 germplasm.Clustering analysis on morphological characteristics was associated with geological distribution.Furthermore,the results of RAPD cluster indicated that the germplasms could be divided into three groups,which were confirmed by the result of morphological characteristics cluster.The germplasms could be divided into three groups:26 germplasms were classified into group Ⅰ;group Ⅱ had 23 germplasms;group Ⅲ had 1 germplasm. Coincidence rate between morphological characteristics and RAPD was 96.30%. The results of the morphology and RAPD were identical.

Key words: Sunflower, Morphological characteristics, RAPD, Classification

CLC Number:

S595.5

GUO Shuchun, ZHANG Yanfang, SUN Ruifen, LI Suping, YU Haifeng, LIU Laqing, WANG Hongbo, AN Yulin. Analysis of Classification and Genetic Relationship among Core Sunflower Germplasm Resources[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2017, 32(4): 107-113. doi: 10.7668/hbnxb.2017.04.018.

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