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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 633688 | Pennline 25 | Fagopyrum esculentum Moench | Pennsylvania, United States | NE9 | | | 1982 | DEVELOPED | 1965 | | | | | Breeding material | Homomorphic for an atypical flower form (anthers and stigmas essentially on the same level). Average stylar lengths about 0.96 mm compared to an average of about 2.2 mm for the "pin" type flowers in heteromorphic strains. Self-fertility results from the reduced stylar length. Uniform in morphological traits and plants substantally shorter than those of either parent or of open-pollinated strains. Flower color white. Seeds medium size, uniform gray in color. Released for plant breeding purposes only. May serve as parent in research programs to develop systems for the utilization of hybrid buckwheat. Although self-fertile, over 75% progeny were hybrids when grown under open-pollination in alternate rows with a heteromorphic strain in 1973. This adaptability for hybrid production is a major desirable attribute. In contrast, self-fertilization is so effective in the earlier release Pennline 10, that few hybrid progeny result from cross pollination. | 1001706 | PI 633688 |