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Registro completo
Provedor de dados:  Organic Eprints
País:  Germany
Título:  Use of genetic resources and partial resistances for apple breeding
Autores:  Kellerhals, Markus
Duffy, Brion
Data:  2006
Ano:  2006
Palavras-chave:  Crop health
Protection Fruit and berries
Resumo:  Modern apple breeding strategies are mainly considering the most advanced selections and cultivars as parents. This tends to lead to a narrowed genetic basis. The introgression of traditional varieties and accessions of the gene pool is often feared due to undesirable characteristics that might be incorporated. However, there is scope for considering a wider genetic basis in apple breeding to support sustainable fruit production systems. The focus at Agroscope Changins-Wädenswil (ACW) is put on high fruit quality combined with low susceptibility to scab (Venturia inaequalis), fire blight (Erwinia amylovora), and powdery mildew (Podosphaera leucotricha). The Swiss scab and fire blight resistance research programs are focused on developing and applying molecular markers for resistance factors. In this context we are also mining our national germplasm collections of heritage varieties. Heritage varieties are traditional and/or special use apple varieties. Many of them were discovered in the course of a national inventory over the past 5 years. As a result of this inventory, 1’100 apple and 670 pear accession are being added into the germplasm collections. They will be evaluated in the coming years for different fruit and tree characters.
Tipo:  Conference paper, poster, etc.
Idioma:  Inglês

Kellerhals, Markus and Duffy, Brion (2006) Use of genetic resources and partial resistances for apple breeding. [Nutzen von Genressourcen und Teilresistenzen in der Apfelzüchtung.] In: Boos, Markus (Ed.) Ecofruit - 12th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 31st January to 2nd February 2006 at Weinsberg/Germany, pp. 157-160.
Formato:  application/pdf

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