Elevated Growing Degree Days Influence Transition Stage Timing During Cotton Fiber Development Resulting in Increased Fiber‐Bundle Strength

• DOI: 10.2135/cropsci2010.10.0569
• Publication Date: 2011-06-23T14:43:16Z
• Authors: Doug J. Hinchliffe; William R. Meredith; Christopher D. De...; Devron P. Thibodeaux; David D. Fang
• Keywords: Anthesis; Fiber crop

ABSTRACT Growing degree days required for cotton ( Gossypium hirsutum L.) growth and development were recorded four growing seasons compared with fiber‐quality measurements gene expression data indicative of different stages fiber development. Fiber‐bundle strength differences between the Upland near‐isogenic lines MD 52ne 90ne observed using immature mature fibers collected at time points stages. Previously characterized fiber‐bundle‐strength lines, known as a result early entrance into transition stage development, present 20 d postanthesis persisted to boll opening maturity. The onset was correlated accumulated day heat units from anthesis in both all seasons. Fiber‐quality obtained over multiple indicated that an earlier resulted increased fiber‐bundle strength. These suggest identification genes associated can be used temporally manipulate improve quality.