Growth inhibition effect of pyroligneous acid on pathogenic fungus,<Emphasis Type="Italic">Alternaria mali</Emphasis>, the agent of Alternaria blotch of apple |
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Authors: | Kyung-Hwan Jung |
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Institution: | (1) Division of Food and Biotechnology, Chungju National University, 380-702 Chungju, Korea |
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Abstract: | We investigated the growth inhibition effect of pyroligneous acid on the pathogenic fungus,Alternaria mali, which is known to be the agent of Alternaria blotch of apple plants. Chemical control ofA. mali could be achieved through the use of agrochemical fungicides, while the substitute for agrochemical control is gradually
increasing. It was observed that pyroligneous acid exhibited antifungal activity against some plant pathogenic fungi. More
specifically, the growth ofA. mali was completely inhibited in pyroligneous acid at a dilution of 1∶32. When its antifungal activity was compared to that of
polyoxin B, which is used for the chemical control of Alternaria blotch of apple, it was observed that the antifungal activity
of pyroligneous acid diluted at 1∶32 corresponded to 2.0 mg/mL of polyoxin B. Consequently, it is concluded that the diluted
pyroligneous acid can substitute for polyoxin B, thereby reducing the use of the agrochemical for the control of Alternaria
blotch of apple. |
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Keywords: | pyroligneous acid antifungal activity Alternaria mali Alternaria blotch apple |
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