I have intention to group cultivars of a root crop into various heterotic groups. Could this be achieved through the analysis of combined historical data in the breeding program? Or do I need to establish a design experiment to achieve this? What kind of analysis is appropriate to classify the cultivars into heterotic groups? Do I need to base the analysis on yield and yield related components?
Dear Moshood
Maybe you can use this document from the following link
http://1srw4m1ahzc2feqoq2gwbbhk.wpengine.netdna-cdn.com/wp-content/uploads/2016/02/2014FIND06_HeterosisExploiting.pdf
Or This
https://www.ijcmas.com/6-6-2017/Ashok%20Kumar%20Meena,%20et%20al.pdf
Examing historical data would be helpful, but you should still probably perform a designed experiment, such as a diallel crossing study to examine combining ability for your cultivars. Genotyping your cultivars to determine degree of relatedness would also be helpful.
I have attached a paper called 'Overview of heterosis and heterotic groups in agronomic crops' that may be helpful.
Best of luck!
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