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Articles

APPLE BREEDING PROGRAMME FOR FIREBLIGHT RESISTANCE

Article number
151_43
Pages
301 – 306
Language
Abstract
The main programme in apple breeding is to screen for resistance to diseases and pests.
Besides scab and mildew resistance, fireblight resistance is highly important.
Two research programmes are undertaken:

  • Short term : the parents are resistant or low susceptible to fireblight (polygenic control) ; they are varieties or hybrids resistant to scab (gene Vf), for example, the variety ‘Liberty’. Moreover, the parents used in the whole programme and all the pre-selections resistant to other diseases are inoculated and tested in the experimental orchard of Dax.

  • Long term : the parents are resistant to fireblight (oligogenic control) ; they are wild species, Malus X robusta 5, Malus X sublobata.

One another way is to select for resistance or low susceptibility after mutagenesis ; the advantage of the method is to preserve the variety phenotype.
The first works are realized by in vitro culture and the variety ‘Idared’ is concerned.

Publication
III International Workshop on Fire Blight
Authors
Y. Lespinasse, J.P. Paulin
Keywords
Full text
https://doi.org/10.17660/ActaHortic.1984.151.43
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