Registration of NM 970123, NM 990813, and NM W1218 Germplasm Lines of Upland Cotton

Abstract

Three Acala cotton (Gossypium hirsutum L.) germplasm lines, designated as NM 970123 (Reg. No. GP‐1045, PI 688432) and NM 990813 (Reg. No. GP‐1046, PI 678373), both with the normal leaf, and NM W1218 (Reg. No. GP‐1047, PI 678372) with the okra leaf, were developed through pedigree selections by New Mexico State University to provide parental lines with improved yield potentials, lint percentage, or fiber quality. NM 970123 was derived from the hybridization of ‘Acala Prema’ by W5250, NM 990813 was derived from the cross of 87D3‐24/‘Acala 1517‐95’, and NM W1218 was derived from the hybridization of B4222 by H1014. The three lines were evaluated in four to eight replicated field tests in Las Cruces, NM. Compared with ‘Acala 1517‐99’, NM 970123 had consistently higher lint percentage (by 7.5%), with higher lint yield (by 6.3%); NM 990813 improved lint yield by 14.1%; and NM W1218 with the okra leaf outyielded the check by 5.9%. When evaluated in the Western Regional Variety Tests in 2001 to 2004, NM 970123 displayed significantly higher fiber strength and higher yarn tenacity, and it also had higher seed N content but significantly lower seed oil content.