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Plant Physiology 84:969-971 (1987) © 1987 American Society of Plant Biologists Boron Stem Infusions Stimulate Soybean Yield by Increasing Pods on Lateral Branches 1Interdisciplinary Plant Physiology and Biochemistry Group, University of Missouri, Columbia, Missouri 65211
Studies were carried out to determine if supplemental B (H3BO3) and Ca (CaCl2) injected via a stem infusion technique into soybeans could stimulate yield by increasing pods on lateral branches, seed number, and overall seed yield. Boron treatments caused a significant 84.8% increase in the number of lateral pods/plant and a 17.6% increase in total seed weight/plant. This corresponded to a seed yield of 4170 kilograms per hectare in the B-treated plants compared to 3540 kilograms per hectare in the injected control plants, indicating that B deficiency may have been a factor in limiting yield of control plants. Ca treatments tended to accentuate the negative yield effects of apparent B deficiency.
1 Supported by the Missouri Agricultural Experiment Station and by a grant from the United States Department of Agriculture National Needs Fellowship Program, grant 84-GRAD-9-0033. This research is a contribution of the Missouri Agricultural Experiment Station Journal Series No. 10253. This article has been cited by other articles:
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