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Common diseases of cotton: what is the general disease of cotton bolls? Prevention and treatment of Cotton Boll Melanosis

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, Do you know what diseases there will be in the process of cotton planting? The following is for you to accept the most common cotton boll blackening disease. Do you know this disease? What is the condition of cotton suffering from this disease? There are some aspects of prevention and control. Let's take a look at them together.

Do you know what diseases there will be in the process of cotton planting? The following is for you to accept the most common cotton boll blackening disease. Do you know this disease? What is the condition of cotton suffering from this disease? There are some aspects of prevention and control, let's take a look.

Symptoms: the diseased cotton bolls initially show dark brown rot, gradually dry and harden, and produce many black dots and black powdery matter on the cotton bolls.

Prevention and control methods seed disinfection:

1. After cotton harvest: embossing the seed cotton and applying methane bromide for fumigation and disinfection. Every 1000 cubic feet, two pounds of methane bromide can be used to fumigate cottonseeds. Fumigation time, 16 to 24 hours, to kill red bollworm lurking in cottonseed.

two。 Before sowing: cotton seeds 1 kg, add 65% dichloromethoxy benzene wettable powder 8 grams, add water about 15 grams, and must be evenly stirred, dry after sowing.

You already know the symptoms and control methods of this disease in cotton, and then you will know what to do in the process of growing cotton.

 
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