MySheen

Control of Brown spot of Primula

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Symptoms are easy to occur in the four seasons. The leaves are brown spotted. The pathogen Alternariasp. It is a semi-known Alternaria. The conidia are transmitted by wind and rain. Prevention and treatment methods spraying 70% chlorothalonil wettable powder 1000 times liquid and other fungicides at the initial stage of the disease.

Symptoms are easy to occur in the four seasons. The leaves are brown spotted.

The pathogen Alternariasp. It is a semi-known Alternaria.

The conidia are transmitted by wind and rain.

Prevention and treatment methods spraying 70% chlorothalonil wettable powder 1000 times liquid and other fungicides at the initial stage of the disease.

 
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