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Journal of Plant Registrations Abstract - GERMPLASM

Registration of TAM 94L-25-M24, TAM 94L-25-M25, and TAM 94L-25-M30 Mutant Upland Cotton Germplasm with Improved Fiber Length and Strength


This article in JPR

  1. Vol. 6 No. 2, p. 195-199
    Received: May 3, 2011

    * Corresponding author(s): inbrown@uga.edu
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  1. I. Nino Brown *a,
  2. C. Wayne Smithb,
  3. Dick Auldc,
  4. Steve Hagueb,
  5. Eric F. Hequetd and
  6. Don Jonese
  1. a Dep. of Crop and Soil Sciences, Univ. of Georgia, 2356 Rainwater Rd., Tifton, GA 31793
    b Dep. of Soil and Crop Sciences, Texas A&M Univ., 370 Olsen Blvd., College Station, TX 77843-2474
    c Dep. of Plant and Soil Science, Texas Tech Univ. and Texas AgriLife Research, Mail Stop 2122, Lubbock, TX 79409-2122
    d Fiber and Biopolymer Research Institute, Texas Tech Univ., Box 45019, Lubbock, TX 79049-5019
    e Cotton Incorporated, 6399 Weston Pkwy., Cary, NC 27513


Three putative mutant upland cotton (Gossypium hirsutum L.) germplasm lines, TAM 94L-25-M24, (Reg. No. GP-952, PI 664553), TAM 94L-25-M25 (Reg. No. GP-953, PI 664554), and TAM 94L-25-M30 (Reg. No. GP-954, PI 664555), were developed by the Cotton Improvement Laboratory, Department of Soil and Crop Sciences, Texas AgriLife Research and released in 2010. These lines were developed by treating the parent germplasm line, TAM 94L-25 (PI 631440), an upland cotton line with improved high-volume instrument (HVI) upper-half mean length (UHML), with the chemical mutagen ethyl methanesulfonate. TAM 94L-25-M24, TAM 94L-25-M25, and TAM 94L-25-M30 exhibited UHML and fiber bundle tenacity that exceeded that of the parent, TAM 94L-25. These three lines yielded as much or more than the M0 parent and exhibited other HVI fiber-quality parameters that were within acceptable ranges. TAM 94L-25-M24, TAM 94L-25-M25, and TAM 94L-25-M30 should be useful in creating cultivars with improved fiber length and strength.

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