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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | PI 698821 | CA 4008 | Gossypium hirsutum L. | Texas, United States | NLGRP | | Not Available | 2021 | DEVELOPED | | | | | | Breeding material | Enhancing genetic diversity to breed cotton for water-limited production in the Texas High Plains (THP) is one objective of the Texas A&M AgriLife Research breeding program in Lubbock. CA 4008 (Reg.#####, PI ####) was derived from TX 307 (PI 165390) and 07-A-05, an unreleased breeding line. TX 307, wild material of species Gossypium hirsutum, was used as a parent based on performance in hydroponic salinity characterization of 290 accessions conducted at Texas A&M AgriLife Research in Lubbock (LREC) from 2006-2009. Performance testing for yield, fiber quality, and other agronomic properties was conducted at six site-years from 2014-2017 with check cultivars FM 958 (PI 619096), a high yield and fiber quality regional standard, and DP 491 (PI 618609), which historically produced good yield and quality under water stress in the THP. CA 4008 produced similar yield and fiber quality, lower lint percent, and taller plants across site-years compared to checks. CA 4008 was tested at 11 locations across the U. S. in the 2017 Regional Breeder Testing Network and showed low leaf defoliation under Verticillium wilt pressure. In previous studies CA 4008 had less germination reduction under salinity than 27 of 31 LREC lines but equal to cultivar FM 989 (PI 603956). CA 4008 had less root dry weight reduction under salinity in hydroponic studies but equal to FM 989 in shoot and leaves dry weight reduction. CA 4008 is germplasm adapted to THP stress conditions developed from a wild accession. | 2116492 | PI 698821 |