Boll Weevil

g-1 Many machines have been developed for catching boll weevils--destructive cotton pests. Some are still in use today. They are not practicable because they pick up many beneficial insects and leave too many boll weevils in the fields. They occasionally injure plants.
The saddle gun, which is a rotary hand duster, was developed around 1920 and is still used in some places to control the boll weevil. By turning the crank, the operator drives a fan mechanism inside the tank, which creates an air blast that blows the insecticidal dust through the nozzle and down into the plants. g-2
g-3 Insecticides when properly applied are both economical and effective in controlling the boll weevil and other cotton insects. Cotton growers have a wide selection to choose from, and they can apply them either as dusts or sprays. Modern methods of application--ground or airplane--step up the control job. This tractor-mounted low-gallonage sprayer is treating eight rows of cotton simultaneously.
The airplane is a useful agricultural tool in fighting the boll weevil. In 1922, it was used experimentally to apply dusts near Tallulah, Louisiana. The following year the first commercial aircraft dusting firm was organized in the South. This airplane is spraying cotton fields near Lubbock, Texas. g-4


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