MySheen

How to prevent and cure primrose spot disease?

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Prevention and control of primrose spot disease: first, breeding disease-resistant varieties. Second, strengthen the management of fertilizer and water, increase the application of organic fertilizer and phosphorus and potassium fertilizer, and avoid excessive application of nitrogen fertilizer. Third, after the onset of the seedling disease, start spraying 70% methyl thiophanate wettable powder 1000 times and 75% chlorothalonil wettable powder 1000 times, or 50% mixed thiophanate suspension or 36% thiophanate suspension 500 to 600 times, or 1: 1: 100 Bordeaux.

Prevention and control of primrose spot disease:

First, breeding disease-resistant varieties.

Second, strengthen the management of fertilizer and water, increase the application of organic fertilizer and phosphorus and potassium fertilizer, and avoid excessive application of nitrogen fertilizer.

Third, after the onset of the seedling disease, start spraying 70% methyl thiophanate wettable powder 1000 times and 75% chlorothalonil wettable powder 1000 times, or 50% mixed thiophanate suspension or 36% thiophanate suspension 500 to 600 times, or 1: 1: 100 Bordeaux.

 
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