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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 633974 | 'Choteau' | Triticum aestivum L. subsp. aestivum | Montana, United States | NSGC |  | | 2003 | DEVELOPED | 2003 | | | | | Cultivar | Hard red spring wheat with solid stem. Solid stems confer resistance to the wheat stem sawfly. Originally evaluated in a preliminary yield nursery at four Montana locations in 1999, and has been tested yearly at nine or ten Montana locations since 2000. Mean grain yield over 28 location/years 4414 kg/ha, compared to 4450 kg/ha for McNeal and 3732 kg/ha for Fortuna. McNeal is a hollow-stemmed wheat and has been the most widely grown cv. in Montana since 1996. Mean grain volume 775 kg m-3, compared to 768 kg m-3 for McNeal and 773 kg m-3 for Fortuna. Mean heading date was June 23, compared to June 26 for McNeal, and June 24 for Fortuna. Height average 28.5 cm, while McNeal and Fortuna averaged 30.5 cm respectively. Observation of segregation patterns indicate has the Rht2 gene for semidwarf habit, as does McNeal. | 1648984 | PI 633974 |