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This article in JPR

  1. Vol. 4 No. 3, p. 189-194
     
    Received: Dec 17, 2009
    Published: Sept, 2010


    * Corresponding author(s): joe.burns@ars.usda.gov
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doi:10.3198/jpr2009.12.0722crc

Registration of ‘Colony’ Lowland Switchgrass

  1. J. C. Burns *a,
  2. E. B. Godshalkb and
  3. D. H. Timothyc
  1. a USDA-ARS and Dep. of Crop Science and Dep. of Animal Science, North Carolina Agricultural Research Service, North Carolina State Univ., Raleigh, NC 27695
    b BASF Plant Science, Research Triangle Park, NC 27709
    c 101 Wee Loch Dr., Cary, NC 27511

Abstract

‘Colony’ (Reg. No. CV-256, PI 658520) is a lowland cytotype of switchgrass (Panicum virgatum L.) developed and released by the USDA-ARS and the North Carolina Agricultural Research Service. Colony was developed from three cycles of selection with random cross-pollination occurring in cycle 0, index selection for forage dry matter yield and in vitro dry matter disappearance and crude protein concentrations in open-pollinated isolation in cycles 1 and 2. Replicated yield trials were conducted for 5 yr in Piedmont and 4 yr in Coastal Plain soils of North Carolina. Associated nutritive value estimates were obtained for the last 3 yr from the Coastal Plain site. The quality of Colony hay was evaluated in replicated animal trials. Colony was released because of its greater dry matter concentration of cellulose and greater cellulose yield per hectare with potential for biomass purposes.

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Copyright © 2010. Crop Science Society of AmericaCrop Science Society of America

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