SCREENING OF 100 SOUR CHERRY GENOTYPES FOR MONILIA LAXA FIELD RESISTANCE

S. Budan, I. Mutafa, IL. Stoian, I. Popescu
The Romanian sour cherry collection of cultivars, clones and local selections provides a good opportunity to find or develop new varieties with resistance or high tolerance to brown rot (Monilia). From 1996 to 1999, when no chemical fungicides were applied in the experimental orchard plots, 100 accessions were evaluated for susceptibility to natural infection by brown rot.
In 1998, under weather conditions very favorable for brown rot infection, a high incidence of infection was observed on blossoms, spurs and young herbaceous shoots. Determination of the percentage of injured plant organs revealed that an extremely severe incidence of blossom infection occurred on ‘Pandy 16’ (90%), ‘Crisana 15/10’ (90%), ‘761-II-41C’ (85%), ‘NY 3794’ (83%), ‘Cernokaya’, ‘Focsani 3’, ‘NY 7037’, ‘Meteor’ (80%). Severe infections of spurs and young shoots occurred on ‘Gubens Ehre’ (39%), ‘Lutowka’ (34%), ‘761-II-41C’ (25%), ‘Pandy 16’ (25%), ‘Early Richmond’, ‘Cigany Meggy 3’, ‘Meteor’, ‘NY 6935’, ‘Mocanesti 15/2’, ‘Nana’, and ‘Ujfehertoi furtos’ (20%). Several cultivars, such as ‘Anglaise Hative’, ‘Bagdatska’, ‘Cigany Meggy 60’, ‘Cigany Meggy 215’, ‘Dropia’, ‘Espera’, ‘Ilva’, ‘Japonica’, ‘Maraska Moscata’, ‘Mari Timpurii’, ‘Royal Duke’, ‘Scuturator’, ‘Spanca’, ‘Timpurii de Cluj’ and ‘Vladiminskaya’, were found with no symptoms on any organ, at both experimental centers.
Budan, S., Mutafa, I., Stoian, IL. and Popescu, I. (2005). SCREENING OF 100 SOUR CHERRY GENOTYPES FOR MONILIA LAXA FIELD RESISTANCE. Acta Hortic. 667, 145-152
DOI: 10.17660/ActaHortic.2005.667.21
https://doi.org/10.17660/ActaHortic.2005.667.21
Prunus cerasus, disease sensitivity, genetic resources
English

Acta Horticulturae