| Autor: |
Fisher ML; Department of Plant Breeding and Biometry, Cornell University, 252 Emerson Hall, 14853, Ithaca, NY, USA., Kyle MM |
| Jazyk: |
angličtina |
| Zdroj: |
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik [Theor Appl Genet] 1996 Feb; Vol. 92 (2), pp. 204-12. |
| DOI: |
10.1007/BF00223377 |
| Abstrakt: |
We have examined the genetics of systemic resistance in Phaseolus vulgaris to azuki bean mosaic virus (AzMV) and cowpea aphid-borne mosaic virus (CABMV) and the relationship of this resistance to a phenotypically similar resistance to watermelon mosaic virus (WMV) and soybean mosaic virus (SMV). In P. vulgaris cv 'Great Northern 1140' (GN1140), resistance to SMV and WMV has been attributed to the genes Smv and Wmv, respectively, which have been shown to segregate as a unit. Systemic resistance to AzMV is conferred by two incompletely dominant alleles, Azm1 and Azm2, at unlinked loci. At least three resistance alleles must be present at these two loci for systemic resistance to be expressed in the plant. Systemic resistance to CABMV in GN 1140 is conditioned by a dominant allele that has been designated Cam2. Under some environmental conditions, a recessive allele at an unlinked locus, cam3, also controls a resistant response to CABMV. Resistance to AzMV and CABMV does not assort independently from Wmv/Smv, but also does not consistently cosegregate, suggesting that perhaps in each case one of the factors involved in resistance is associated with Smv/Wmv. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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