Revised calculation of the coefficient of parentage in plant breeding

Authors: Carlos Hernandez-Suarez, Osval Montesinos Lopez

Plant breeding, 2022
arXiv: 2208.11233v1 - DOI (q-bio.PE)
The pdf version is 23 pages long, with 6 figures and 5 tables
License: CC BY-NC-ND 4.0

Abstract: The Coefficient of Parentage (COP) between two individuals is the expected inbreeding of their offspring. Originally exploited by animal breeders, is now a routine calculation among plant breeders as part of crop improvement programs. Here we show that the COP between strains requires a different calculation than the used to calculate the COP between individuals. Failure to do so may result in an overestimation of the amount of inbreeding. Here we provide a simple methodology to calculate the correct coefficient of parentage between strains.

Submitted to arXiv on 23 Aug. 2022

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