Abstract
Abstract The purpose of the study is to identify the use of qualitative and quantitative morphological traits to ascertain genetic affinity and identification of sunflower lines. A collection of 39 sunflower lines was studied according to morphological qualitative traits described in the method of establishing differences, homogeneity, stability and quantitative traits (plant organ size, 1000 seeds weight, oil content). Several lines of unknown origin were identified to each other. The material of the collection of lines proved the possibility of clustering by the method of link analysis on a set of morphological features. Generalized data show that only three lines out of 39 do not correspond to known lineages in their clusters, which is 92% of the correct cluster definition. The results of clustering, identification and breeding records were compared. To be consistent with the breeding records classification, the number of distinguished traits that are not similar must exceed 20 names given to the score.
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