Database Vitis VEA
Relevant scientific literature is made accessible to scientists for research and consulting of the Federal Ministry of Food and Agriculture. Different sources are screened, e.g. more than 115 journals in 15 languages as well as secondary sources...
Term: 2008-01-01 bis 2024-12-31Pyramidising of resistance genes for conventional breeding
The breeding of new varieties with durable and broad resistance to fungal diseases requires the combination of widely divergent resistance mechanisms from various genetic resources. Employing molecular markers correlating with resistance from...
Term: 2008-01-01 bis 2024-12-31Evaluation of Vitis species on resistance characteristics
Program objectives focus on collecting and evaluating genetic resources for the use within resistance breeding. Plant material of Vitis species (wood, seeds) will be collected, basing upon the Vitis databank regarding sources and in situ collections...
Term: 2008-01-01 bis 2024-12-31Mapping and molecular analysis of regions which are relevant to breeding of the grapevine genome
Grapevine is one of our oldest crop grown for millenia. Nevertheless, this woody plant with long generation cycles and strong inbreeding depression causes problems, when genes encoding relevant characteristics are to be localized and analyzed....
Term: 2008-01-01 bis 2027-12-31Investigations on aroma compounds of must and wine: terpene compounds, varietal characterization
Development and application of analytical methods to characterize cultivar-specific and quality determining compounds. Description of quantitative differences of major compounds in new cultivars, breeding strains and traditional cultivars to...
Term: 2008-01-01 bis 2024-12-31Evaluation of important characters of new promising breeding material: tolerance to abiotic factors
Within the frame of global climatic changes the resistance of new varieties to weather-induced stress has attained increasing attention mainly with regard to yield and quality. Low precipitation can have negative effects on must and wine quality. To...
Term: 2008-01-01 bis 2024-12-31Ex-situ collection of the genetic resources (grapevine collection). Establishment of a reference database with pictures, SSR-marker data, herbarium material and descriptor data as a basis for the assessment of true-to-typeness.
In international grapevine collections about 5 to 10 % of the grapevine varieties are not true-to-type. Material transfer between grapevine collections lead to a proliferation of mistakes. Research work, breeding tasks, preservation of genetic...
Term: 2008-01-01 bis 2024-12-31Old endemic grapevine varieties: search, safeguarding, description, characterisation, identification, preservation in ecologically maintained vineyards, analyses of parentage
Particularly in Germany various influences and incidents lead to a reduction of genetic diversity of grapevine varieties. It is aimed to rediscover and to preserve old robust grapevine varieties for present and future use. In 2000, a 100-year old...
Term: 2008-01-01 bis 2024-12-31Vitis International Variety Catalogue
The Vitis International Variety Catalogue comprises about 22.000 Vitis-species, grapevine varieties and important breeding lines. Internet users have access to variety-specific IPGRI-passport data, morphological descriptor data, results of...
Term: 2008-01-01 bis 2024-12-31Investigations for maintenance of genetic resources of grapevines
Compilation of viticultural institutions (worldwide) with grapevine collections. Furthermore, addresses, geographic sites, climatic data, composition of the grapevine collections, conservation methods, etc. are specified. More than 16000 cvs. are...
Term: 2008-01-01 bis 2024-12-31