Summary
Successive mass selections were made in sugarbeet varieties (Beta vulgaris L.) and in B. vulgaris × B. maritima L. hybrids for tolerance to wilting caused by beet-cyst eelworm attack. The selected lines showed improved tolerance to wilting, but no evidence of resistance to eelworm infection was demonstrated. By repeated back-crossing of the selected lines with the commercial varieties and concurrent selection root yield could be improved without substantially decreasing the tolerance to eelworm attack. These results indicate that tolerance is partly conditioned by complete and incomplete dominant genes.
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Heijbroek, W., Mcfarlane, J.S. & Doney, D.L. Breeding for tolerance to beet-cyst eelworm Heterodera schachtii Schm. in sugarbeet. Euphytica 26, 557–564 (1977). https://doi.org/10.1007/BF00021681
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DOI: https://doi.org/10.1007/BF00021681