Introduction of the most common diseases and control methods of towel gourd!

Towel gourd is one of the most common vegetables to grow. Every summer comes, a large number of towel gourd also appear in our field of vision, and the towel gourd bought at this time is also the cheapest. But the price of towel gourd remained high in 2018. Ask the growers why. It turns out it's caused by disease. Today, I would like to introduce to you the most common diseases of towel gourd and their control methods are as follows:

1. Towel gourd downy mildew

The main results are as follows: (1) the symptoms and causes of towel gourd downy mildew: towel gourd downy mildew mainly harms the leaves, yellow spots will appear on the leaves, and patches will be formed after expansion. The reason is that downy mildew spends the winter on the diseased body, the temperature fluctuates greatly, and poor drainage is easy to get sick.

(2) Control methods of towel gourd downy mildew: select disease-resistant varieties, strengthen field management, increase organic fertilizer, improve disease resistance, pay attention to vine pruning, ensure ventilation and light transmission between plants, and other agents such as carbendazim wettable powder can be used to control downy mildew.

two。 Towel gourd anthracnose

(1) the symptoms and causes of towel gourd anthracnose: towel gourd anthracnose is caused by fungi, the plaque is round, but the size is different, the color is also different when the temperature and humidity are different.

(2) methods for prevention and control of towel gourd anthracnose: methyl thiophanate wettable powder or anthrax can be sprayed once in 8 days for about 3 times.

3. Loofah blight

(1) symptoms and causes of loofah blight: loofah blight mainly harms fruits, and sometimes vines are also harmed. When the disease starts from the flower stalk, it extends to the fruit, and the melon will soon become soft and rotten, with a white substance.

(2) loofah blight prevention and control methods: you can spray frost urea manganese zinc and other agents for sterilization, about once a week, depending on the situation.

4. Luffa powdery mildew

The main results are as follows: (1) the symptoms and causes of towel gourd powdery mildew: towel gourd powdery mildew mainly harms petiole and leaf fruit, irregular white patches will be formed on the leaf surface, and the whole leaf will wither in the later stage.

(2) Prevention and control of towel gourd powdery mildew: spray more liquid to prevent it, about once a week, spray 3 times.

5. Towel gourd vine blight

(1) the symptoms and causes of towel gourd vine blight: towel gourd vine blight is mainly harmful to vines, leaves and fruits will also suffer harm. The spot on the vine is irregular and round, and white liquid will flow out of the disease, eventually causing the vine to die.

(2) Prevention and control of towel gourd vine blight: can methyl sulfur be sprayed at the initial stage of the disease? 700x liquid of carbendazim wettable powder, or 1500 times of prochloraz wettable powder, or 700x of iso-carbendazide wettable powder, or 2500 times of nitrilazole EC, or 500x liquid of chlorothalonil wettable powder, or 500x liquid of carbendazim wettable powder, spray once every 5 days for 3 times in a row.

6. Towel gourd virus disease

The main results are as follows: (1) the symptoms and causes of towel gourd virus disease: the transmission route of towel gourd virus disease is mainly through aphids and sweat, which will cause plaques in young leaves. As a result, it turns yellow and wilts, and the incidence is higher in the period of high temperature in summer.

(2) Prevention and treatment of towel gourd virus disease: after the disease, virus A warm powder and other agents should be sprayed for prevention and treatment.

Conclusion: the above 6 points are the introduction of common diseases and control methods of towel gourd, hoping to help growers in need. This paper is integrated with the Internet.