Use of Clonally Replicated Seedlings in Field Screening for Resistance to Peach Tree Short Life

in Journal of the American Society for Horticultural Science
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  • 1 Southeastern Fruit and Tree Nut Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, P.O. Box 87, Byron, GA 31008

Clonally replicated peach seedlings [Prunus persica (L.) Batsch] of Lovell, Nemaguard, and four F1 selections of Lovell × Nemared were tested for field survival on a peach tree short life site. Rootstock families differed in growth, survival, and longevity. Genetic variation was similar to environmental variation for most families. Based on seedling within rootstock family, estimated broad-sense heritabilities for survival and longevity were high. The use of clonally replicated seedlings allowed the selection of apparently superior individuals from both Lovell and the other more short-lived rootstock families in a single screening.

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