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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 645568'RAIDER 276'Gossypium hirsutum L. Texas, United StatesCOTNot Available2007DEVELOPED2006CultivarUnder irrigated conditions, Raider 276 flowered 2-5 d earlier than the 3 comparative commercial cultivars. Averaged 73 cm in height compared with 68 cm for Holland 338, 83 cm for FM 958 and 85 cm for FM 989. Has cream colored petals and pollen. Raider 276 and Holland 338 have intermediate stem pubescence while FM 958 and FM 989 have both hairy stems. Raider 276 and all 3 check cultivars have 5 locules per boll. Raider 276 and FM 989 bolls are broadest at the base whereas the bolls for Holland 338 and FM 958 re broadest at the middle. Across seven field tests, Raider 276 on average yielded 17% higher than Holland 338 and 5% higher than FM 958. Fiber length (UHML) for Raider 276 averaged 30 mm (staple 38) as compared to FM 958 and FM 989 which were both 29 mm (staple 37). Holland 338 had fibers that were only 28 mm (staple 35) long. Length uniformity value for Raider 276 was 83%, similar to the 2 FiberMax cultivars. For fiber bundle strength, Raider 276 averaged 31-33 g/tex.. The micronaire value of Raider 276 (4.1) falls within the premium range which is 3.7-4.2. AFIS analyses indicated that Raider 276 had lower immature fiber content, higher fineness and maturity ratio than FM 958. for yarn tenacity, Raider 276 exceeded the Uster (R) Statistics 50th percentile. It ranked among the 50% best. Uster (R) statistics represents quality benchmarks compiled through the testing by Uster (R)Technologies, AG of more than 6100 samples procured from their global clientele. DNA was isolated from field grown leaf samples of Holland 338 and its mutant Raider 276. Sixty-tow micro satellite markers which were polymorphic in upland cotton germplasm were used to fingerprint Raider 276 and Holland 338. Nine of the 62 markers revealed polymorphism between the two entries showing that the mutant Raider 276 is genetically distinct from its non-mutated parent Holland 338.1719312PI 645568