Control of Angular Leaf Spot of Cucumber by Suppressing the Relative Humidity in the Plastic House
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概要
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It was previously reported that the occurence of angular leaf spot of cucumber was affected by relative humidity. So, we tried to control angular leaf spot of cucumber by suppressing the relative humidity in the plastic house. When relative humidity was kept at 85-90%, the occurrence of angular leaf spot was extremely decreased.<BR>It became clear that relative humidity in the plastic house was suppressed at 85-90% by using the hot air heater.
- 北日本病害虫研究会の論文
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