The two most critical stages are the seedling stage and from bloom to harvest. Other insect pests include corn earworm, lesser corn stalk borer, leafhopper, aphid, tarnished plant bug, striped or spotted cucumber beetle, flea beetle, and corn seed maggot. For specific control measures and materials, consult your local extension agent . The crop should be ready for harvest in 48-65 days after planting, depending on the climate and variety. Pick pods before they are over-mature.
Seed development is the best gauge.
Timing of the harvest is critical because beans can become over-mature quickly, especially when temperatures are high. Remove harvested beans from the field as soon as possible to prevent excessive wilting and weight loss. Grading and Packing For the fresh market, beans are washed free of debris and graded. Cultivars should not be mixed due to differences in pod color, size, and shape. Hydrocooling works well, although forced-air cooling also is used.