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Soybean Seed Quality as Affected by Impact Damage

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Transactions of the ASAE. 24 (6): 1577-1582. (doi: 10.13031/2013.34493) @1981
Authors:   M. R. Paulsen, W. R. Nave, L. E. Gray

ABSTRACT A centrifugal impactor was used to impact Beeson, Corsoy, and Williams varieties of soybeans at con-trolled velocities. Nine parameters used to measure seed quality of soybeans were determined as a function of im-pact velocity and soybean moisture content. Tests for seed quality included determining the percentages of split beans, fine material, seedcoat cracks, seed viability, Stein breakage, field emergence, warm and cold ger-mination, and yield. The percentages of split beans and fine material in-creased as the impact velocity was increased and as the seed moisture decreased from 17 to 8 percent. The varieties and moisture levels of soybeans which had low percentages of splits after impact also had high warm germination percentages. Of the varieties tested, Beeson was more susceptible to damage from impact than either of the other two varieties.

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