Evaluation of Some Biological Properties and Susceptibility to Blumeriella Jaapii of Sweet Cherry Cultivars in Kyustendil Region, Bulgaria

Borovinova, Maria; Christov, N.; Borisova, A.; Maneva, Svetla

doi:10.17660/actahortic.2014.1020.17

Cited by 2 publications

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“…The epidemics of cherry leaf spot can lead to full and early defoliation of the trees and can cause serious economic damage especially in rainy years. Due to early defoliation, tree conditions are weaken and only weak buds develop as well as frost sensitivity of the trees is also increased (Kaszonyi, 1966;Howell & Stackhouse, 1973;Sjulin et al, 1989;Jenser & Véghelyi, 2003;Holb & Veisz, 2005;Borovinova et al, 2007Borovinova et al, , 2014Holb, 2009;Proffer et al, 2013;Borovinova & Petrova, 2015). The situation can be worse if plant protection does not reach the expected level.…”

Section: Introductionmentioning

confidence: 99%

Disease threshold for cherry leaf spot incidence on commercial sweet cherry cultivars

Varga

Vámos

Molnár

et al. 2019

Int. j. hortic. sci.

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The aim of this study was to demonstrate the 10% threshold level for cherry leaf spot incidence on 23 commercial sweet cherry cultivars in two training systems. Twenty three cherry cultivars were evaluated in the two training systems with a spacing of 4 x 1 m and with a spacing of 2 x 5 m. Results showed that leaves of many cultivars were heavily infected, e.g. cultivars (cvs) ’Biggareau Burlat’, ’Sunburst’, while others showed low disease incidence e.g. cvs ’Celeste’ and ’Blaze Star’. According to the 10 % threshold level, cv ’Celeste’ proved to be the most resistant cultivar to leaf infection, while cv ’Münchebergi korai’ exceeded extremely the 10% threshold level. Leaf spot incidence was affected by training system on most cultivars. Thirteen cultivars had less than 10% infection in the 4 x 1 m spacing (i.e. they did not reach the 10% disease threshold level). At the same time, only 3 cultivars showed less than 10% infection in the 5 x 2 m spacing.

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Section: Introductionmentioning

confidence: 99%