Registration of Four Germplasm Lines of Upland Cotton with High Lint Yield
2019
Fang, Hui | Zhang, Kuang | Bowman, Daryl T. | Jones, Don C. | Kuraparthy, Vasu
Four upland cotton (Gossypium hirsutum L.) lines, NC18‐07 (Reg. no. GP‐1052, PI 690767), NC18‐08 (Reg. no. GP‐1053, PI 690768), NC18‐09 (Reg. no. GP‐1054, PI 690769), and NC18‐10 (Reg. no. GP‐1055, PI 690770), were developed by the Department of Crop and Soil Sciences at North Carolina State University. The four upland cotton lines have improved yield production and some good fiber quality traits. All four lines were derived from a random mated population using multiple parental lines. These four lines were compared with commercial check cultivars ‘DP393’, ‘Sure‐Grow 747’, and ‘UA48’ over 2 yr in Clayton, NC. NC18‐07 produced 7.6 to 34.2% greater lint yields than that of the checks and had 15.2% greater elongation value than that of UA48. NC18‐08 produced 5.9 to 32.1% greater lint yield than the checks. NC18‐09 yielded 2.2 to 27.5% greater lint than checks and showed 44.7 and 22.3% greater elongation values than that of UA48 and parental lines, respectively. Germplasm line NC18‐10 produced 1.0 to 26.0% greater lint yield than the commercial checks and also displayed 26.5 and 7.0% greater elongation values than that of UA48 and parental lines, respectively. These lines could be valuable sources for cotton breeding and programs focusing on improving yield as well as fiber elongation.
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