Prediction of breeding values for average fruit weight in mango

Hardner, C. M., Bally, I. and Wright, C. (2013). Prediction of breeding values for average fruit weight in mango. In: P. Lu, IX International Mango Symposium. IXth International Mango Symposium, Sanya, Peoples Republic of China, (245-250). 8-12 April 2010.

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Name Description MIMEType Size Downloads
Author Hardner, C. M.
Bally, I.
Wright, C.
Title of paper Prediction of breeding values for average fruit weight in mango
Conference name IXth International Mango Symposium
Conference location Sanya, Peoples Republic of China
Conference dates 8-12 April 2010
Proceedings title IX International Mango Symposium   Check publisher's open access policy
Journal name Acta Horticulturae   Check publisher's open access policy
Place of Publication Leuven, Belgium
Publisher International Society for Horticultural Science
Publication Year 2013
Sub-type Fully published paper
Open Access Status
ISBN 9789066054387
ISSN 0567-7572
Editor P. Lu
Volume 992
Start page 245
End page 250
Total pages 6
Collection year 2014
Language eng
Abstract/Summary Fruit weight is considered an important factor determining consumer choice in mango and other fruit. In this study, breeding values for average fruit weight were predicted for 29 parents and their ancestors from a seedling progeny trial established in northern Queensland using multivariate linear mixed model approaches that incorporated a pedigree. The trial was conducted over 6 seasons from 1999/2000 to 2005/2006 assessing average fruit weight in 1615 progeny (an average of 433 progeny per season) from 40 families made up of 29 cultivar combinations. Different means, breeding values and residual effects were estimated for each season using a factor analytic approach. Average fruit weights were not significantly different among seasons, however, there was a significant (p = 0.003) effect of year of planting. Additive genetic effects were large with average narrow sense heritability of 0.79. Family effects were very small and not significant. Breeding values were very strongly correlated among seasons (rg = 0.98), however, there was no strong correlation in non-genetic effects on the average fruit weight of progeny among seasons (re = 0.29) suggesting that environmental impacts on average fruit weight may differ between years. The estimated breeding values indicated that on average, progeny from crosses with the cultivars ‘Keitt’ and ‘Kent’ produced the largest fruit and progeny from ‘Creeping’ and ‘Williard’ produced the smallest fruit. Implications for mango breeding are discussed.
Keyword Australia
Fruit quality
Genetic correlations
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Conference Paper
Collections: School of Agriculture and Food Sciences
Official 2014 Collection
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