ORIGINAL ARTICLE
Temperature and pH impact on the mycelium growth of Mycogone perniciosa and Verticillium fungicola isolates derived from Polish and foreign mushroom growing houses
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1
Poznań University of Life Sciences
Department of Vegetable Crops, Dąbrowskiego 159, 60-594 Poznań, Poland
2
Poznań University of Life Sciences
Department of Plant Protection Methods, Zgorzelecka 4, 60-198 Poznań, Poland
Corresponding author
Marek Siwulski
Poznań University of Life Sciences
Department of Vegetable Crops, Dąbrowskiego 159, 60-594 Poznań, Poland
Journal of Plant Protection Research 2011;51(3):268-272
KEYWORDS
TOPICS
ABSTRACT
The research project aimed at determining the effect of incubation temperature and pH of the agar medium on the mycelium
growth of
Mycogone perniciosa
(Magnus) Delacroix and
Verticillium fungicola
(Preuss) Hassebrauk in
in vitro
conditions. Ten
M. perni-
ciosa
and ten
V. fungicola
isolates were applied. Mycelium growth of the above-mentioned isolates was studied on PDA agar medium
(Merck) enriched with an extract from mushroom hyphae, at temperatures ranging from 15 to 30°C and pH from 5.5 to 7.5. Incubation temperature was found to affect the mycelium growth rate of the examined pathogens. Mycelium growth in all
M. perniciosa
and
V. fungicola
isolates was the fastest at the temperature of 25°C, while a temperature of 15°C inhibited their growth significantly. Mycelium growth of the examined pathogens also depended on medium pH.
M. perniciosa
mycelium developed best at pH = 5.5, whereas
at the same medium pH
V. fungicola
mycelium exhibited the worst growth.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
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