Abstract
F87084 is a germplasm release that has been developed by conventional breeding methods and can be traced back to very diverse germplasm sources. This clone has excellent female fertility, round-oval tubers and is well adapted to Eastern Canada. The vine maturity is slightly later than that of Kennebec, and the mean marketable yield is 78% of Kennebec. The specific gravity, boil, bake and chip scores are somewhat lower than Kennebec. F87084 is resistant to late blight,Verticillium dahliae, early blight, and the pathotypes of wart occurring in Newfoundland. F87084 has extreme resistance to PVYo and PVX. It is also resistant to the potato cyst nematode pathotype Ro1. Progeny analyses indicate that F87084 is duplex for the genes controlling extreme resistance to PVX as well as resistance to the potato cyst nematode (Ro1).
Resumen
F87084 es un germoplasma liberado, que ha sido desarrollado con métodos convencionales de mejoramiento y que puede ser referido a muy diversas fuentes de germoplasma. Este clon tiene excelente fertilidad femenina, tubérculos redondo-ovalados y está bien adaptado a la zona este de Canada. La madurez del follaje es ligeramente más tardía que la de Kennebec. Asimismo, su rendimiento comercial más bajo es 78% superior al de Kennebec. Los valores de su gravedad específica, cocción, horneado y fritura en hojuelas son un poco más bajos que Kennebec. El clon F87084 es resistente al tizón tardío,Verticillium dahliae, tizón temprano y a los patotipos de verruga encontrados en Newfoundland. F87084 posee resistencia extrema a PVY y PVX. También es resistente al patotipo Ro 1 del nematodo del quiste de la papa. El análisis de la progenie indica que el clon F87084 posee alelos en conditión duplex para los genes que controlan la resistencia extrema a PVX así como la resistencia al nematodo del quiste de la papa (Ro1).
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Abbreviations
- CPC:
-
Commonwealth Potato Collection
- EAPR:
-
European Association for Potato Research
- PCN:
-
Potato Cyst Nematode
- PLRV:
-
Potato Leafroll Virus
- PVA:
-
Potato Virus A
- PVX:
-
Potato Virus X
- PVY:
-
Potato Virus Y, common strain
- TGA:
-
Total Glycoalkaloids
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De Jong, H., Proudfoot, K.G. & Murphy, A.M. The germplasm release of F87084, a fertile, adapted clone with multiple disease resistances. Am. J. Pot Res 78, 141–149 (2001). https://doi.org/10.1007/BF02874769
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DOI: https://doi.org/10.1007/BF02874769