Summary
Diseases of sour cherries cause considerable losses by leaf spot (Blumeriella jaapi). Numerous chemical sprays are required annually to prevent early defoliation from this fungi. Fortunately, disease resistant sour cherry germplasm does exist in Hungary. In 1991 a cooperative breeding programme was started by Michigan State University (U.S.A.) and Enterprise for Research and Extension in Fruit-Growing and Ornamentals (Hungary). The results of this programme were:
As sources of disease resistance the following varieties were found: ‘Csengödi’ and ‘Akasztói’. ‘Csengöd’ and ‘Akasztó’ have high heritability when used es male parents.
‘Pándy’ × ‘Csengöd’ or ‘Akasztól’ population gives 19,6% leaf spot resistant items, combined with good fruit quality.
‘Érdi bötermö’ (‘Pándy ‘× ‘Nagy angol’) × Csengöd’ or‘Akasztói’ population gives 41,6% leaf spot resistant items combined with good fruit quality.
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References
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© 1994 Springer Science+Business Media Dordrecht
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Apostol, J., Véghelyi, K. (1994). Results of testcrossing in order to get disease resistant sour cherry varieties. In: Schmidt, H., Kellerhals, M. (eds) Progress in Temperate Fruit Breeding. Developments in Plant Breeding, vol 1. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0467-8_11
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DOI: https://doi.org/10.1007/978-94-011-0467-8_11
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