Prevention and treatment methods of leaf blight after autumn

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Prevention and treatment methods of leaf blight after autumn

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Leaf blight, also known as blight, is generally seen in plants and often occurs after autumn. Symptoms generally appear on leaf tips and leaf edges, especially on the lower leaves of the plant. Diseases are mostly caused by humid and high temperatures in the air and poor ventilation. It is especially serious when the plant growth is weak. So what are the prevention and control methods of leaf blight after autumn? The editor will take you to take a look below.

Prevention and treatment methods of leaf blight after autumn

Prevention and treatment methods of leaf blight after autumn

Remove diseased leaves

After autumn, if you find diseased leaves appear, you must promptly It is best to deal with the diseased leaves of the plants and destroy them to avoid the source of infection.

Cultivation management

To do a good job To strengthen cultivation and management work, it is best not to favor the use of nitrogen fertilizers and achieve a balanced use of nitrogen and phosphorus fertilizers. When watering, care should be taken to avoid water accumulation in the soil. It is recommended that the soil be dry before watering a small amount. Maintain air circulation, do a good job of indoor ventilation, and enhance the resistance of plants.

Drug prevention

High temperature and humidity after autumn In such an environment, regular spraying should be carried out to prevent the occurrence of diseases. 75% wettable powder 500 to 800 times can be used for the best effect. Spraying time is once a week, spraying two to three times in succession. If the disease has already occurred, use 200 to 300 times of 25% carbendazim wettable powder once every 7 to 10 days, and stop using it until the condition is relieved.

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