Evaluation of different sources of resistance for breeding powdery mildew resistant grapevine varieties
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Tartalom: https://ojs.lib.unideb.hu/IJHS/article/view/19
Archívum: IJHS
Gyűjtemény: Articles
Cím:
Evaluation of different sources of resistance for breeding powdery mildew resistant grapevine varieties
Létrehozó:
Korbuly, J.
Kiadó:
University of Debrecen
Dátum:
1999-05-24
Téma:
Uncinula necator
Vitis
screening
heritability
genetics
statistics
Tartalmi leírás:
The appearance of resistance to powdery mildew was investigated on seedling progenies of interspecific crossings. Hybrids of American and East-Asian wild species and one Vitis vinifera variety (Janjal kara) were used as source of resistance in the crossings. The resistance of foliage and of berries were tested in the field at the time of vintage. The degree of resistance was ranked into six classes. In American and Asian hybrid derivatives there were few highly resistant progenies, but in the hybrids of Janjal kara variety more than 90 % of the progenies proved to be highly resistant to powdery mildew. According to the distribution of classes of resistance in the populations the resistance of American and Asian sources are mostly influenced by additive gene affects. The resistance of Janjal kara seemed to be mono or digenic. No close correlation was found between the powdery mildew resistance of the foliage and that of the berries.  
Nyelv:
angol
Típus:
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Formátum:
application/pdf
Azonosító:
10.31421/IJHS/5/1-2/19
Forrás:
International Journal of Horticultural Science; Vol 5 No 1-2 (1999); 35-40.
1585-0404
10.31421/IJHS/5/1-2
Kapcsolat:
Létrehozó:
Copyright (c) 2018 International Journal of Horticultural Science