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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 702639 | CDL-111 | Avena sativa L. | Minnesota, United States | NSGC |  | Not Available | 2023 | DEVELOPED | | | | | | Genetic material | Oat production worldwide is challenged by crown rust (Puccinia coronata f. sp. avenae), which can cause significant yield losses. The disease is often controlled by spraying fungicides or planting resistant varieties. Developing host resistance, however, is a challenge due to the high genetic variability of the pathogen. Race-specific resistance usually succumbs to new races in just a few years. As such, the USDA-ARS Cereal Disease Laboratory (CDL) developed mapping populations to identify adult plant resistance (APR) loci from Avena sativa donors. Resistant lines from the mapping populations were selected and crossed with BT1020-1-1 and BT1021-1-1, which possess a different gene for crown rust resistance derived from A. strigosa. From the crosses, CDL-111 and CDL-167, both containing three APR QTL, were selected as germplasm for resistance breeding. High-throughput markers for selection were developed and implemented in pyramiding the APR loci. | 2142325 | PI 702639 |
| 1 | PI 702640 | CDL-167 | Avena sativa L. | Minnesota, United States | NSGC |  | Not Available | 2023 | DEVELOPED | | | | | | Genetic material | Oat production worldwide is challenged by crown rust (Puccinia coronata f. sp. avenae), which can cause significant yield losses. The disease is often controlled by spraying fungicides or planting resistant varieties. Developing host resistance, however, is a challenge due to the high genetic variability of the pathogen. Race-specific resistance usually succumbs to new races in just a few years. As such, the USDA-ARS Cereal Disease Laboratory (CDL) developed mapping populations to identify adult plant resistance (APR) loci from Avena sativa donors. Resistant lines from the mapping populations were selected and crossed with BT1020-1-1 and BT1021-1-1, which possess a different gene for crown rust resistance derived from A. strigosa. From the crosses, CDL-111 and CDL-167, both containing three APR QTL, were selected as germplasm for resistance breeding. High-throughput markers for selection were developed and implemented in pyramiding the APR loci. | 2142326 | PI 702640 |