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Ridge Regression and Extensions for Genomewide Selection in Maize

Piepho, H. P.·2009·Crop Science

Abstract

This paper reviews properties of ridge regression for genomewide (genomic) selection and establishes close relationships with other methods to model genetic correlation among relatives, including use of a kinship matrix and the simple matching coefficient as computed from marker data. A number of alternative models are then proposed exploiting ties between genetic correlation based on marker data and geostatistical concepts. A simple method for automatic marker selection is proposed. The methods are exemplified using a series of experiments with test‐cross hybrids of maize (Zea mays L.) conducted in five environments. Results underline the need to appropriately model genotype–environment interaction and to employ an independent estimate of error. It is also shown that accounting for genetic effects not captured by markers may be important.

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Metadata

Authors
Piepho, H. P.
Venue
Crop Science
Publisher
Wiley
Published
2009-07
Volume
49
Issue
4
Pages
1165-1176
ISSN
  • 0011-183X (ISSN-L)
  • 1435-0653
OpenAlex
W2099688984
Cited by
271
References
5
FWCI
9.98
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Ridge Regression and Extensions for Genomewide Selection in Maize. https://app.cochat.ai/papers/10.2135/cropsci2008.10.0595
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Piepho, H. P. (2009). Ridge Regression and Extensions for Genomewide Selection in Maize. Crop Science. https://doi.org/10.2135/cropsci2008.10.0595

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.