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Book: Tall Fescue for the Twenty-first Century
Published by: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America

 

This chapter in TALL FESCUE FOR THE TWENTY-FIRST CENTURY

  1.  p. 339-366
    Agronomy Monographs 53.
    Tall Fescue for the Twenty-first Century

    H.A. Fribourg, D.B. Hannaway and C.P. West (ed.)

    ISBN: 978-0-89118-185-9

     
    Published: 2009


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doi:10.2134/agronmonogr53.c19

Breeding, Genetics, and Cultivars

  1. A. A. Hopkins,
  2. M. C. Saha and
  3. Z. Y. Wang
  1. Forage Improvement Division, The Samuel Roberts Noble Foundation, Ardmore, OK

Abstract

Abstract

Tall fescue [Lolium arundinaceum (Schreb.) Darbysh.] is an outcrossing polyploid grass widely used for forage and turf. A generally strong genetic barrier exists between the two major breeding pools of tall fescue (i.e., continental and Mediterranean). Since the early 1980s, breeders have focused on developing forage cultivars that contain no fungal endophyte [Neotyphodium coenophialum (Morgan-Jones and Gams) Glenn, Bacon, and Hanlin] or, more recently, that contain nontoxic endophytes in novel associations. A large range in genetic variability for many important traits exists in tall fescue. Enhanced persistence and stress tolerance are traits often targeted for improvement in both forage and turf types. Breeders generally capitalize on additive genetic variation by using procedures such as recurrent selection to develop tall fescue cultivars, of which there are now hundreds available. Tall fescue breeding appears to be poised to enter a new era as molecular technologies, such as molecular markers, genomics, and transgenics, are being developed, and adapted to tall fescue.

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Copyright © 2009. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 5585 Guilford Road, Madison, WI 53711-5801, USA. Tall Fescue for the Twenty-first Century. H.A. Fribourg, D.B. Hannaway, and C.P. West (ed.)