Bush snap beans …varietal evaluations and timing for mechanical harvest

Yield of pod sizes 1 through 4, expressed in terms of percentage of total yield, appears to be a practical measure of maturity for GV 50, Blue Lake 274, and Salem; but a different standard is required for Green Isle. For all four varieties in this trial, however, yield of pod sizes 1 through 4, expressed in terms of percentage of total yield, had a straight-line relationship, suggesting that field sampling for two or three days several days ahead of harvest time can be used to predict when a desired maturity (expressed in terms of percentage of pod sizes 1 through 4) will be reached.