STUDY ON GENETIC DIVERSITY IN SUNFLOWER (HELIANTHUS ANNUUS L.) 33 ELITE GENOTYPES (original) (raw)

In the present investigation, thirty three sunflower (Helianthus annuus L.) genotypes including three checks were evaluated to study genetic divergence. The experiment was laid out at Research Farm, School of Agriculture, ITM University, Gwalior during rabi 2020-2022. Data were recorded on ten quantitative characters. The thirty three genotypes of sunflower were grouped into seven cluster using Tocher method of the seven clusters formed, cluster I and III were the largest groups comprising of eleven and eight genotypes, respectively, followed by cluster V with six genotypes, cluster II with five genotypes. The 3 monogenic clusters i.e. IV, VI and VII showed zero intra-cluster. Based on cluster mean values for a given character, we can select highly divergent genotypes from the respective clusters to be used in crossing work.

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