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Book: Proceedings of the Second International Turfgrass Research Conference
Published by: American Society of Agronomy, Crop Science Society of America



  1.  p. 18-22
    Proceedings of the Second International Turfgrass Research Conference

    Eliot C. Roberts (ed.)

    ISBN: 978-0-89118-573-4


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Breeding bermudagrass for turf1


    Bermudagrass (Cynodon spp.) is one of the world's most versatile turfgrasses. It is a highly variable species that reproduces sexually. Out of the natural variation in the species have come selections better suited to specific turf demands. ‘U-3’ discovered on a Georgia golf course, was the first of these.

    ‘Tiflawn,’ the first controlled hybrid for turf between two C. dactylon (L.) Pers. selections, was released in 1952. It is still superior for football fields and heavy-duty turf. C. dactylon × C. transvaalensis Burtt-Davy hybrids, ‘Tiffine’, ‘Tifgreen’, and ‘Tifway’ are sterile, fine-textured hybrids better suited to golf and home lawns. ‘Tifdwarf’, a dwarf mutant of Tifgreen, mowed at 5 mm and properly managed, makes a putting surface comparable with the best bentgrasses. Radiation breeding (exposing dormant sprigs of these sterile hybrids to gamma irradiation) offers a means of improving them. A total of 158 mutants, currently being evaluated at Tifton, Georgia, show many promising variations from their parent clones, including greater resistance to root knot nematode. Excellent turfgrasses with greater winterhardiness than those currently available should be found within the 480 F1 hybrids recently made between selected C. transvaalensis introductions and a very winter-hardy C. dactylon from Berlin. Additional index words: Dwarfing, Gamma radiation, Mutants, Radiation breeding, Vegetative propagation, Cynodon spp.

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    Copyright © 1974. Copyright 1974 by the American Society of Agronomy, Inc. and the Crop Science Society of America, Inc., 5585 Guilford Rd., Madison, WI 53711 USA