Evaluation of efficacy of some biocontrol agents against fungal diseases on apples
2011
Kloutvorova, J., Vyzkumny a Slechtitelsky Ustav Ovocnarsky, Holovousy (Czech Republic) | Knezacek, L., Vyzkumny a Slechtitelsky Ustav Ovocnarsky, Holovousy (Czech Republic) | Kupkova, J., Vyzkumny a Slechtitelsky Ustav Ovocnarsky, Holovousy (Czech Republic) | Namestek, J., Vyzkumny a Slechtitelsky Ustav Ovocnarsky, Holovousy (Czech Republic)
Efficacy of the three biocontrol agents (vitiSan, Myco-Sin VIN, HF-Mycol) against apple scab and powdery mildew was tested in field trials in 2009-2010. Preparations were applied repeatedly on the same trial plots. Influence of these preparations on inhibition of spore germination of Venturia inaequalis was evaluated in laboratory tests as well. Degree of damage by apple scab on leaves varied between 50.1-58.3 in treated variants (untreated control 70.8-71.1). Occurence of powdery mildew was between 23.7-27.0 (untreated control 37.2). Spore germination was inhibited most effectively by VitiSan.
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