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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 644016 | 'Duster' | Triticum aestivum L. subsp. aestivum | Oklahoma, United States | PVPO | | Not Available | 2006 | DEVELOPED | 2006 | | | | | Cultivar | Originated in the former hard red winter wheat breeding program of Pioneer Hi-Bred International, Inc. Oklahoma State University received seed of the F3 population designated VBJ0503 by Pioneer in 1990. As a descendent of that population, Duster culminated from 16 years of selection and re-selection for adaptation to a dual-purpose production system common to the southern Great Plains, foliar disease and Hessian fly resistance, and phenotypic uniformity. Exemplary of its name is the ability to rapidly emerge under marginal soil-moisture conditions. As a high-tillering cultivar, Duster also provides rapid canopy closure, lush biomass accumulation prior to fall grazing, good tiller survival and canopy regeneration during grazing, and exceptional recovery from grazing for high grain yielding ability. Contributing also to its dual-purpose adaptation is a unique level of resistance to the Great Plains biotype of Hessian fly (Mayetiola destructor).Duster is resistant to Wheat spindle streak mosaic virus and to Wheat soilborne mosaic virus. Though Duster appears susceptible to leaf rust (caused by Puccinia triticina) in the seedling stage, it exhibited a resistant adult-plant reaction in the field in Oklahoma and Texas during the three crop seasons of 2004-2006. Duster has expressed a reaction to stripe rust (caused by Puccinia striiformis f. sp. tritici) varying from intermediate to moderately susceptible in the Great Plains. Thus, reaction to stripe rust may be highly dependent on the environment and/or races of the pathogen present. Based on combined greenhouse and field observations, Duster is moderately susceptible to tan spot (Pyrenophora tritici-repentis) but shows an intermediate reaction to septoria leaf blotch (Septoria tritici) and an intermediate to moderately resistant reaction to powdery mildew (Blumeria graminis f. sp. tritici). Wheat protein content of Duster is below-average, or 12.0% across Oklahoma, but its gluten strength and mixing tolerance are exceptional. Farinograph peak time is about 2.5 min and stability time is about 17.5 min. Mixograph mixing time is 5.5 min and mixogram tail width at 2 minutes past peak development is 15 mm. The high-molecular-weight glutenin-subunit signature for Duster is 2*/7+8/5+10. | 1714722 | PI 644016 |