Genetic system for the reaction of Phaseolus vulgaris to the BA-2 (Alpha) race of Colletotrichum lindemuthianum.
Seven cultivars of the common bean (Phaseolus vulgaris L.) were evaluated for their reaction to the BA-2 (alpha) race of anthracnose (Colletotrichum lindemuthianum [Sacco & Magn.] Scrib.). Parental, F I and F 2 plants from 20 crosses involving resistant and susceptible cultivars were inoculated...
| Authors: | , , , , |
|---|---|
| Format: | article |
| Status: | Published version |
| Publication Date: | 1989 |
| Country: | Brasil |
| Institution: | Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
| Repository: | Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
| Language: | English |
| OAI Identifier: | oai:www.alice.cnptia.embrapa.br:doc/195727 |
| Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/195727 |
| Access Level: | Open access |
| Keyword: | Antracnose Colletotrichum Lindemuthianum Feijão Phaseolus Vulgaris Raça |
| Summary: | Seven cultivars of the common bean (Phaseolus vulgaris L.) were evaluated for their reaction to the BA-2 (alpha) race of anthracnose (Colletotrichum lindemuthianum [Sacco & Magn.] Scrib.). Parental, F I and F 2 plants from 20 crosses involving resistant and susceptible cultivars were inoculated with this fungus. Genetic resistance to the BA-2 race in the seven bean cultivars can be accounted for by two dominant genes, Are and A, which behave as duplicate factor loci. In addition, interaction of the dominant loci X and Y, belonging to a complementary factor system, confers a resistant reaction to the BA·2 race. |
|---|