Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/112234
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Type: Journal article
Title: Resistance to Fusarium oxysporum f. sp. fragariae and predicted breeding values in strawberry
Author: Paynter, M.
De Faveri, J.
Herrington, M.
Citation: Journal of the American Society for Horticultural Science, 2014; 139(2):178-184
Publisher: American Society for Horticultural Science
Issue Date: 2014
ISSN: 0003-1062
2327-9788
Statement of
Responsibility: 
Michelle L. Paynter, Joanne De Faveri, Mark E. Herrington
Abstract: Fusarium wilt of strawberry, incited by Fusarium oxysporum f. sp. fragariae (Fof), is a major disease of the cultivated strawberry (Fragaria xananassa) worldwide. An increase in disease outbreaks of the pathogen in Western Australia and Queensland plus the search for alternative disease management strategies place emphasis on the development of resistant cultivars. In response, a partial incomplete diallel cross involving four parents was performed for use in glasshouse resistance screenings. The resulting progeny were evaluated for their susceptibility to Fof. Best-performing progeny and suitability of progenies as parents were determined using data from disease severity ratings and analyzed using a linear mixed model incorporating a pedigree to produce best linear unbiased predictions of breeding values. Variation in disease response, ranging from highly susceptible to resistant, indicates a quantitative effect. The estimate of the narrow-sense heritability was 0.49 +/- 0.04 (SE), suggesting the population should be responsive to phenotypic recurrent selection. Several progeny genotypes have predicted breeding values higher than any of the parents. Knowledge of Fof resistance derived from this study can help select best parents for future crosses for the development of new strawberry cultivars with Fof resistance.
Keywords: BLUP; Fragaria xananassa; fusarium wilt; heritability; linear mixed model; susceptible
Rights: Copyright status unknown
RMID: 0030022605
DOI: 10.21273/JASHS.139.2.178
Appears in Collections:Agriculture, Food and Wine publications

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