The main symptoms are damage to leaves, stems and fruits. The diseased leaves have dark brown round spots with yellow-green edges. Diseased stems have water-stained spots, and the lesions gradually expand into dark brown spots, and the diseased part is easily collapsed and collapsed. The fruit pedicle has a dark green spot on the water. When it is wet, it grows white mold and brownish rot. After drying, it turns brown.
Cause of disease Green pepper blight is a fungal disease. The germs invade the plants through the epidermis near the surface of the substrate and the fruits and stems, spreading through irrigation water or nursery. The general temperature is between 25°C and 30°C and the relative humidity is above 90%.
Control methods
(1) Selection of disease-resistant varieties; disinfection of seeds, that is, soaking in warm water at 55°C for 20 minutes; performing matrix disinfection; strengthening management to prevent high temperature and high humidity.
(2) In the early stage of onset, spray 25% of Rhizoctonia WP to 750 times, or spray 64% of WP to 500 times.
Cause of disease Green pepper blight is a fungal disease. The germs invade the plants through the epidermis near the surface of the substrate and the fruits and stems, spreading through irrigation water or nursery. The general temperature is between 25°C and 30°C and the relative humidity is above 90%.
Control methods
(1) Selection of disease-resistant varieties; disinfection of seeds, that is, soaking in warm water at 55°C for 20 minutes; performing matrix disinfection; strengthening management to prevent high temperature and high humidity.
(2) In the early stage of onset, spray 25% of Rhizoctonia WP to 750 times, or spray 64% of WP to 500 times.
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