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Estimation of outcrossing rates some alternative procedures

Estimation of outcrossing rates some alternative procedures

Crop Science 19(1): 23-26

Several alternative methods of estimating natural outcrossing rates are reviewed to emphasize their genetic and statistical features. The methods range from the standard procedure of counting outcrosses in the progeny of recessive genotypes grown mixed with the dominants to the estimation of genetic structure of natural populations and measures of inbreeding depression. Examples are cited from recent work in wild oats (Avena fatua L. and A. barbata Pott ex link), barley (Hordeum vulgare L.), and meadowfoam (Limnanthes alba Hartw.), and from recent literature. Formulae giving correct estimators for the various methods are included as a handly reference. Use of the variety of procedures frequently available within the content of ongoing plant breeding research will enrich the interface between population genetics and plant breeding.

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Accession: 005387961

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