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Title: Sycamore produces viable seed after six years
Author: Ike, A. F. Jr.;
Source: Research Note SFES-RN-62. Asheville, NC: USDA-Forest Service, Southeastern Forest Experiment Station. 2p.
Publication Series: Research Note (RN)
Description: In the early stages of any tree improvement program it is desirable to know how soon progenies of selected parents can themselves be included in a breeding program. How soon will they produce viable pollen and seed? In the case of sycamore (Platanus occidentalis L.), the information is meager: the Woody- Plant Seed Manual lists the minimum commercial seedbearing age for sycamore as 25 years.1 Four open-grown trees at Athens, Georgia, however, have produced viable seed during their sixth growing season.
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Ike, A. F. Jr. 1966. Sycamore produces viable seed after six years. Research Note SFES-RN-62. Asheville, NC: USDA-Forest Service, Southeastern Forest Experiment Station. 2p.
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