Abstract
In perennial ryegrass (Lolium perenne), a decrease of lignin content will improve ruminal digestibility and increase nutritional value. In order to identify molecular markers that can be used to breed for improved cell wall digestibility, an association mapping study was conducted with LpCCR1, a candidate gene known to be involved in monolignol biosynthesis. A high level of diversity was discovered in this gene, with LD decaying over small distances. An intronic SNP was significantly associated with cell wall digestibility and Klason lignin content of stem material, and is therefore a potential candidate for use in marker assisted breeding.
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van Parijs, F.R.D., Ruttink, T., Haesaert, G., Roldán-Ruiz, I., Muylle, H. (2016). Association Mapping of LpCCR1 with Lignin Content and Cell Wall Digestibility of Perennial Ryegrass. In: Roldán-Ruiz, I., Baert, J., Reheul, D. (eds) Breeding in a World of Scarcity. Springer, Cham. https://doi.org/10.1007/978-3-319-28932-8_34
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DOI: https://doi.org/10.1007/978-3-319-28932-8_34
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