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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 642787 | 'Giza 2000' | Hordeum vulgare L. subsp. vulgare | Al Jīzah, Egypt | NSGC |  | | 2006 | DEVELOPED | 10/2003 | | | | | Cultivar | Giza 2000 was tested for resistance to the major barley diseases occurring in each environment, including net blotch (caused by Pyrenophora teres Drechs.), and powdery mildew (caused by Erysiphe graminis DC.f.sp. hordei Em. Marchal;syn. Blumeria graminis (DC.) E.O. Speer). It is resistant (R) to powdery mildew and net blotch, but moderately resistant (MR) to leaf rust. Giza 2000 is six-rowed spring barley with lax spikes. Stems are slightly waxy, with a medium-green color. It is tall in plant height, and has good straw strength. Juvenile plants have erect growth habit. Leaves are medium green and narrow width, averaging 16 mm. Basal leaf sheaths are pubescent and auricles are white. Spikes are tapered, medium dense and lax. Awns are rough and longer than the spike. The rachilla is medium in length, with moderately long rachilla hairs. Glumes are hairy and about one half of the kernel in length. Head emergence occurs between 90 to 95 d from seeding, and maturity is 130 to 140 d from seeding, depending on the environment (including moisture, soil fertility levels, and level of rainfall and distribution during the growing season). On the average, in 3 yr of testing in Egypt (about 18 environments) Giza 2000 has significantly (p = 0.05) outyielded Giza 123 (the national check) in grain yield by about 17.3%. Average yields of 1010 kg/ha have been obtained for Giza 2000 under severe drought stress in the rainfed areas of Egypt outyielding the drought tolerant cultivar Giza 126 by about 154 kg/ha (15.2% increase). In addition to its yield advantage, Giza 2000 has higher 1000-kernel ranging from 40 to 42 g. | 1702166 | PI 642787 |