In order to explore safe and efficient biological control technologies for tea plants,field experiments were conducted to study the control effects of different concentrations(600 fold diluted solution,700 fold diluted solu-tion,800 fold diluted solution,900 fold diluted solution)of ethylicin(a plant-based biomimetic fungicide)on moss and lichen and their impacts on tea yield.Overall control effects at 10 and 20 days after treatment with 700 fold di-luted solution of ethylicin were above 91%.This concentration of ethylicin effectively reduced the negative impact of moss and lichen and increased tea yield by 16.74%compared to the untreated treatments,with a remarkable eco-nomic benefit.
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