Evaluation of Rutabaga Cultivars for Turnip Mosaic Virus Resistance and the Inheritance of Resistance

in HortScience
Authors:
V. I. ShattuckHorticultural Department, University of Guelph, Guelph, Ont. NIG 2W1, Canada

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L. W. StobbsVineland Research Station, Vineland Station, Ont. LOR 2EO, Canada

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Abstract

Rutabaga (Brassica napus L. Group Napobrassica) cultivars were screened for resistance to turnip mosaic virus (TuMV), and the inheritance of resistance was studied. Immunity and resistance were found in four of 49 rutabaga cultivars evaluated. The cultivar ‘Sensation’ was immune to the Ontario strain of TuMV. In crosses between susceptible ‘Laurentian’ and resistant Line 165 and susceptible triazine-resistant ‘Laurentian’ and Line 165, TuMV resistance was determined by a single dominant gene.

Contributor Notes

Horticulturist.

Research Scientist, Virology.

Received for publication 13 Feb. 1987. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.

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