Plant Protection Science (2020) 56, 13-17

Monika Tóthová, Kamil Hudec and Peter Tóth (2020)
Sensitivity of Sclerotinia sclerotiorum to strobilurin fungicides in Slovakia
Plant Protection Science 56 (1), 13-17
Abstract: Rapeseed isolates of Sclerotinia sclerotiorum (Lib.) de Bary 1884 from Nitra Region of Slovakia were investigated for their in vitro sensitivity to azoxystrobin and picoxystrobin; and determining the EC₅₀ value. The growth of S. sclerotiorum was evaluated on PDA amended with the selected fungicide´s active ingredient at 4 different concentration – 0.08, 0.83, 8.33, and 83.30 ppm. The overall mean EC₅₀ values for azoxystrobin and picoxystrobin were 2.73 ppm and 3.12 ppm respectively. Majority of isolates had a resistance factors up to 20, that suggests the shift in S. sclerotiorum population sensitivity towards the resistance.
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Database assignments for author(s): Kamil Hudec, Peter Toth

Research topic(s) for pests/diseases/weeds:
pesticide resistance of pest

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Sclerotinia sclerotiorum	Rape/canola (Brassica napus)	Slovakia