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PI 651794
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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 639048 | 'GEMS-0019' | Zea mays L. subsp. mays | North Carolina, United States | NC7 |  | | 2002 | DEVELOPED | 2001 | | 35.78900000, -78.67500000 | 146 | | Cultivar | Thai hybrid DK888 crossed to proprietary stiff stalk line from GEM "company 11". Germplasms were developed by selfing and selecting variable F1s from tropical-source x US inbred crosses in North Carolina under standard nursery conditions, followed by a second selfing/selection season in Homestead, FL (F2S1), and a third selfing/selection season in a selection nursery in Raleigh (F2S2). All procedures were carried out using ear-to-row methods, except that F2 seeds planted in Homestead were bulked by pedigree. Germplasms were selected on the basis of resistance to a mixture of foliar diseases (Southern and Northern Leaf Blight, Anthracnose, Gray Leaf Spot), resistance to Fusarium ear rot, resistance to Anthracnose stalk rot, resistance to lodging , early flowering, synchrony of silk and pollen production, and reduced plant and ear height. This germplasm yields well in the southern US in topcrosses to non-stiff stalk testers compared to elite hybrid checks. It has good per se gray leaf spot resistance. It produces yellow kernels, semiflint in texture with a high oil content. | 1631427 | PI 639048 |
| 1 | PI 639053 | 'GEMS-0028' | Zea mays L. subsp. mays | North Carolina, United States | NC7 |  | | 2002 | DEVELOPED | 2000 | | 35.78900000, -78.67500000 | 146 | | Cultivar | Brazilian hybrid DKXL370A crossed to proprietary stiff stalk line from GEM "company 11". Germplasms were developed by selfing and selecting variable F1s from tropical-source x US inbred crosses in North Carolina under standard nursery conditions, followed by a second selfing/selection season in Homestead, FL (F2S1), and a third selfing/selection season in a selection nursery in Raleigh (F2S2). All procedures were carried out using ear-to-row methods, except that F2 seeds planted in Homestead were bulked by pedigree. Germplasms were selected on the basis of resistance to a mixture of foliar diseases (Southern and Northern Leaf Blight, Anthracnose, Gray Leaf Spot), resistance to Fusarium ear rot, resistance to Anthracnose stalk rot, resistance to lodging , early flowering, synchrony of silk and pollen production, and reduced plant and ear height. This germplasm yields well in the southern US in topcrosses to non-stiff stalk testers compared to elite hybrid checks. It showed good per se resistance to Aspergillus ear rot and to aflatoxin accumulation. It produces yellow kernels, semident in texture. | 1631434 | PI 639053 |
| 2 | PI 642766 | 'GEMS-0025' | Zea mays L. subsp. mays | North Carolina, United States | NC7 |  | | 2002 | DEVELOPED | 2001 | | 35.78900000, -78.67500000 | 146 | | Cultivar | | 1631432 | PI 642766 |