Risk of crop injury. Apply should be in 5 to 10 gpa by brown. Insects Insect problems and yield loss may occur any year. A program of timely field monitoring should be followed. Know the economic threshold levels for the various insects and apply control measures promptly.
Grasshoppers are a problem, especially near or at harvest.
Flying adults invade from neighboring fields. Damage is caused by chewing through the succulent portion of the small stems below the bolls, with bolls dropping to the ground. Seedling feeding may be a problem in late seeded fields. Cutworms and armyworms. Larvae of one or more cutworm species are known to cut and consume the seedling at the soil level.