Screening and genetic studies on resistance to Soil-born Cereal Mosaic Virus (SBWMV) in rye
| العنوان: | Screening and genetic studies on resistance to Soil-born Cereal Mosaic Virus (SBWMV) in rye |
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| المؤلفون: | R. Schlegel, J. Eifler, F. Ordon, B. Schmiedchen, M. Schmidt, Ute Kastirr |
| المصدر: | Cereal Research Communications. 49:401-412 |
| بيانات النشر: | Springer Science and Business Media LLC, 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | 0106 biological sciences, 0301 basic medicine, Genetics, biology, Mosaic virus, Physiology, food and beverages, Locus (genetics), Quantitative trait locus, biology.organism_classification, 01 natural sciences, 03 medical and health sciences, chemistry.chemical_compound, 030104 developmental biology, chemistry, Wheat spindle streak mosaic virus, Molecular marker, Genotype, Wheat mosaic virus, Allele, Agronomy and Crop Science, 010606 plant biology & botany |
| الوصف: | Due to several reasons soil-borne viruses such as the furoviruses, i. e., cereal mosaic virus (SBCMV) and wheat mosaic virus (SBWMV) as well as the bymovirus wheat spindle streak mosaic virus (WSSMV) gained importance in cereal breeding including rye. High yield losses are recorded, today. Since there is no or little resistance to these viruses in modern rye cultivars, an extended screening for resistance was initiated. In addition to earlier screenings, 37 rye genotypes were tested for resistance. Among them, three genotypes were found with persistent resistance to SBCMV. They belong to Secale montanum and S. vavilovii species, i. e., wild types of rye. One accession, PC2243 (S. montanum), was used as a resistance donor for the present genetic study. In F2 generation, it was observed that resistance to SBCMV is independently inherited from WSSMV. The evaluation of the ELISA values pointed to a 3:1 distribution assuming duplicate dominant epistasis. Molecular marker analysis supports this segregation pattern. By composite interval mapping a QTL on chromosome 2R could be detected. It can be assumed that there is a DNA region of about 13 cM on the long arm of chromosome 2R (2RL) harboring SBCMV resistance with the closest markers “C9654_1947” and “isotig11640”. Moreover, genotypes with a yellow seed coat showed practically no infection with SBCMV. Thus, the resistance gene could be linked to the allele an1 determining non expression of anthocyanins. This locus was also mapped earlier on chromosome 2R. |
| تدمد: | 1788-9170 0133-3720 |
| DOI: | 10.1007/s42976-020-00105-1 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::c0efce10055d7e317e5dca8f6eff09af https://doi.org/10.1007/s42976-020-00105-1 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi...........c0efce10055d7e317e5dca8f6eff09af |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 17889170 01333720 |
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| DOI: | 10.1007/s42976-020-00105-1 |