Abstract
SeveralSolatium tuberosum clones were tested for resistance to the reniform nematode,Rotylenchulus reniformis. Commercial cultivars La Rouge and possibly Red La Soda had high levels of resistance to the reniform nematode.R. reniformis resistance was found to exist independently of the H1, H2, or H3 genes for resistance to races of potato cyst nematodes,Globodera rostochiensis andG. pallida. In addition to reniform nematode resistance, B7642-2, B7154-8 and B7680-6 contained the H1 gene and breeding linePI 377741 contains the H1 and H2 gene for potato cyst nematode resistance. Over a three month period reniform nematode counts were significantly lower in pots where resistant varieties were grown.
Resumen
Varios clones deSolanum tuberosum fueron probados para determinar su grado de resistencia al nemátodo de riñón,Rotylenchulus reniformis. Cultivares comerciales La Rouge y posiblemente Red La Soda mostraron un alto grado de resistencia al nemátodo de riñón. Se encontró que la resistencia al nemátodo reniforme es independiente de los genes de resistencia H1, H2 o H3, al nemátodo de quiste de la papa. Ademas de resistencia al nemátodo de riñón, los clones B7642-2, B7154-8 y B7680-6 tienen el gene H1 y la línea PI 37741 contiene el gene H1 y H2 para resistencia al nemátodo de quiste de la papa. Durante un período de tres meses, los contajes de nemátodos de riñón fueron significativamente más bajos en macetas donde se sembraron variedades resistentes.
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An erratum to this article is available at http://dx.doi.org/10.1007/BF02855353.
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Rebois, R.V., Webb, R.E. Reniform nematode resistance in potato clones. American Potato Journal 56, 313–319 (1979). https://doi.org/10.1007/BF02855600
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DOI: https://doi.org/10.1007/BF02855600