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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 | | |
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| 0 | PI 634020 | 'Jinmai 50' | Triticum aestivum L. subsp. aestivum | Shanxi Sheng, China | NSGC |  | | 2003 | DEVELOPED | 1996 | | | | | Cultivar | Originally tested in the Southern Shanxi Performance Test Nursery through 1993 to 1995 (3 yrs. in 37 environments). Yielded 3954.0 kg/ha, 3483.0 kg/ha and 3570.0 kg/ha on average in 1993, 1994, and 1995. Those were 0.2%, 10.7% and 5.6% higher than the check Jinmai 33 respectively (Jinmai 33 yielded 3946.5 kg/ha, 3147.0 kg/ha, and 3381.0 kg/ha on average in 1993, 1994, and 1995). Was 3-10d earlier and 5 cm shorter than the check Jinmai 33. In the National Performance Tests in 6 provinces in 1994 and 1995 (2 years in 19 environments), yielded 3274.5 kg/ha and 4107 kg/ha on average, and 2.35% and 13.4% higher than check Jinmai 33, and 3-7 d earlier and 7 cm shorter than the check. Pale and medium long coleoptile. Seedling is prostrate with short to medium long and mid to dark-green leaves and harmoniously developed tillers. The auricles smooth and pale green. At flowering stage, top auricle height was 60-80 cm. Plant height about 85-100 cm. Flag leaf narrow and medium long with bright yellowish green color on the back side and mid-yellowish green color and more or less coarse on the front side. Foliage layers were interlocked and jagged so sunlight could penetrate to the base even in a crowded population (more than 500 ears m-2). At maturity stage, heads and straw had a golden color even in the dry-hot-wind weathers. Middense head with white and short awns. Glume white with medium beak (2-4mm) and oblique shoulder. Kernals white and ovate with vitreous texture. SEM photos show that the starch grains were mostly global and smaller. Grains per head 25-32 with TKW 36-42 g. Grain volume weight 810 gl-1. Protein and glutenin contents were 13.98% and 30.8%,respectively. Has Glu-Alc, Glu-Blb and Glu-Dlc. Very good quality for producing steam-bread and chinese-noodle. Very good resistance to 3 kinds of rust diseases and to powdery mildew in severe epidamic years and/or fields than the check Jinmai 33 and the new cultivars of its kind. | 1649719 | PI 634020 |