Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/3582
Title: Susceptibility of Serbian plum cultivars to indigenous bacterial and Monilinia laxa isolates
Other Titles: Osetljivost srpskih sorti šljive na autohtone izolate bakterija i Monilinia laxa
Authors: Janakiev, Tamara 
Unković, Nikola 
Dimkić, Ivica 
Ljaljević-Grbić, Milica 
Stević, Tatjana
Stanković, Slaviša 
Berić, Tanja. 
Keywords: Plum;Leaf;Fruit;Bacterial phytopathogens;Monilinia laxa
Issue Date: 2020
Rank: M23
Journal: Botanica Serbica
Abstract: 
The susceptibility of Serbian plum cultivars to pathogens originating from their
phyllosphere was evaluated by inoculating detached young leaves and mature
fruits. The virulence of indigenous isolates of the bacteria Pseudomonas syringae,
Pseudomonas congelans, Erwinia persicina, Clavibacter michiganensis and
Rhizobium nepotum was tested on detached leaves of four Serbian plum cultivars
(Ranka, Požegača, Čačanska lepotica and Čačanska rodna). The Pseudomonas
syringae isolates formed intense symptoms within 48 hours on all tested cultivars
with severity index values in the range of 41 – 47%. The other isolates had
significantly lower severity values or no symptoms were developed. This study
demonstrates for the first time pathogenicity of Pseudomonas congelans on plum,
with symptom intensity not significantly different from P. syringae after 96 h of
incubation. Virulence of Monilinia laxa isolates was tested on mature fruit of the
Čačanska rodna and Požegača cultivars and was detected in both of them. Higher
susceptibility to M. laxa was recorded for the Požegača cultivar, with a fruit
infection rate between 43 and 66%. In the case of the Rodna cultivar, no statistically
significant difference in the fruit infection rate was detected between the four tested
M. laxa isolates. These data indicate significant susceptibility of Serbian plum
cultivars to indigenous P. syringae and M. laxa isolates.
URI: https://biore.bio.bg.ac.rs/handle/123456789/3582
DOI: 10.2298/BOTSERB2002203J
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