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Journal of Plant Registrations Abstract - GERMPLASM

Registration of Arkot 0111, Arkot 0113, and Arkot 0114 Germplasm Lines of Cotton

 

This article in JPR

  1. Vol. 8 No. 1, p. 68-72
     
    Received: Sept 21, 2012
    Published: January 7, 2014


    * Corresponding author(s): bourland@uark.edu
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doi:10.3198/jpr2012.09.0036crg
  1. Fred M. Bourland *a and
  2. Don C. Jonesb
  1. a Univ. of Arkansas, Division of Agriculture, Northeast Research and Extension Center, P.O. Box 48, Keiser, AR 72351
    b Cotton Incorporated, 6399 Weston Pkwy., Cary, NC 27513.

Abstract

Arkot 0111 (Reg. No. GP-974, PI 664925), Arkot 0113 (Reg. No. GP-975, PI 664926), and Arkot 0114 (Reg. No. GP-976, PI 664927) are noncommercial breeding lines of cotton (Gossypium hirsutum L.) that were released by the Arkansas Agricultural Experiment Station in December 2011. The three lines were derived from crosses to a common parent, Arkot 9111. The second parent for Arkot 0111, Arkot 0113, and Arkot 0114 was ‘FM 958’, Arkot 9101, and Arkot 9108, respectively. All three lines were evaluated in replicated tests at four Arkansas sites from 2007 through 2010. Compared with ‘DP 393’, Arkot 0111 produced lower lint yields but had enhanced fiber quality; Arkot 0113 and Arkot 0114 produced higher lint yields and had similar fiber quality. Each line possessed favorable yield components. Maturity of the lines was similar to DP 393. Trichome density associated with leaves, stems, and bracts for Arkot 0111 and Arkot 0113 was greater than DP 393. Compared with DP 393, Arkot 0114 had higher leaf trichome density but lower trichome density on stems and bracts. All three lines expressed resistance to bacterial blight. All three lines were equal to SG 105 in response to tarnished plant bug, but Arkot 0111 and Arkot 0114 were more sensitive than Arkot 0113 or DP 393. The relative yield and line-specific host plant resistance traits make these lines valuable to cotton breeding programs.

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