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- Title
Beet mild yellowing virus resistance derived from wild and cultivated Beta germplasm.
- Authors
Grimmer, M. K.; Bean, K. M. R.; Luterbacher, M. C.; Stevens, M.; Asher, M. J. C.
- Abstract
Sugar beet ( Beta vulgaris ssp. vulgaris L.) has a relatively narrow genetic base and several programmes have sought to evaluate the potential for introducing novel traits from wild and cultivated Beta germplasm into the crop. In particular, resistance to important sugar beet diseases has been identified within individual Beta accessions. We report here the successful transfer of resistance to Beet mild yellowing virus (BMYV) from garden beet, fodder beet and leaf beet accessions to progeny populations in initial crosses with sugar beet. Twelve plant populations derived from different Beta accessions were inoculated with viruliferous aphids carrying BMYV and the virus content of individual plants subsequently quantified by an ELISA test. Seven populations were significantly more resistant than a control sugar beet cultivar (P ≤ 0.05). BMYV resistance was successfully inherited in BC1 and BC2 generations, suggesting that resistance could potentially be introgressed from these sources into elite sugar beet lines.
- Subjects
BEET diseases &; pests; CULTIVARS; PLANT germplasm; PLANT genetics; APHIDS; PLANT breeding research
- Publication
Plant Breeding, 2008, Vol 127, Issue 3, p315
- ISSN
0179-9541
- Publication type
Article
- DOI
10.1111/j.1439-0523.2007.01457.x