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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 633840 | Tx714 | Zea mays L. subsp. mays | Texas, United States | NC7 |  | | 1996 | DEVELOPED | | | | | | Breeding material | B73 derivative with white cob and is adapted to the southern U.S. Combines well with non-Iowa Stiff Stalk Synthetic (non-BSSS) lines. Hybrids have good agronomic and quality traits with superior or competitive grain yields compared with standard commercial hybrids. Characteristics similar to B73, such as good seed-parent yields, stalk quality, small tassel, and good combining ability. White cob and has harder endosperm and greater vigor than B73. Flowers about 1 to 2 days later than B73 at College Station, TX. Ears have 16-18 rows of light yellow and dent kernels. Plants tall with intermediate ear placement and dark green color. Adult plant leaves erect above the ear. Poor husk cover and is susceptible to corn earworm (Helicoverpa zea) and southwestern corn borer (Diatraea grandiosella). Tassels erect, short, fragile, and have few branches. Intermediate pollen shedder. Based on whole-grain analysis, averages about 13% protein, which is 15% higher than standard commercial hybrids. Susceptible to preharvest aflatoxin contamination produced by Aspergillus flavus. | 1517117 | PI 633840 |