Disease Control Lower your risk of having disease problems by buying disease-free seeds, by treating seeds before sowing with a fungicide, by plowing under old crop debris, and by crop rotation. Insect Control Corn earworms and stink bugs are major pests of snap beans. Thrips and plant bugs also can reduce marketable yield by distorting pods and causing flower drop. Snap beans can withstand a moderate amount of foliage loss from the Mexican bean beetles, but heavy infestations require insecticide treatment. In late-planted snap beans, the cornstalk borer can be troublesome in north Mississippi.
Scout fields regularly for insect damage.
Consult Extension Publication 554 . Grade beans by placing them on a moving belt where trash and culls may be removed. Wire bushel crates with a net weight of 30 pounds are the most common containers in use. Some fiberboard cartons are also used. Storage Snap beans are highly perishable and should be stored only for a short period.