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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 645483 | DGE-1 | Triticum turgidum L. | North Dakota, United States | NSGC |  | | 2007 | DEVELOPED | 2006 | | | | | Genetic material | Disomic addition derived from Langdon durum x Lophopyrum elongatum cross. The (Langdon/ L. elongatum) F1 hybrid (2n = 2x = 21; ABE genomes) was backcrossed with the recurrent Langdon parent, then selfed for one generation, and backcrossed again before selfing for several cycles. The alien chromosome added is 1E of L. elongatum, that confers Fusaruim head blight resistance. The disomic addition line has a plant type somewhat different from the Langdon parent: plant 76.5 cm tall; narrow leaf; small spike with medium length awns, light green to yellow green color; normal tillering, and 1 to 2 weeks later maturing than Langdon. Under greenhouse conditions this genetic stock has 70-75% fertility. Fertility under field conditions was 80-85%. Seed size of the disomic addition line (100-kernel weight = 2.5 g) is smaller than that of the Langdon parent (100-kernel weight = 3.2 g). The disomic addition has shown 100% seed germination. The disomic addition has, on the average, 21% infection compared to 80% infection of the Langdon parent. | 1717970 | PI 645483 |