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Leaf Dry Matter Loss and Pod Dry Matter Increase of Wells Soybeans Infected with Septoria glycines. L. E. Gray, Research Plant Pathologist and Associate Professor, U.S. Department of Agriculture, Agricultural Research Service, and Department of Plant Pathology, University of Illinois, Urbana 61801. Plant Dis. 67:525-526. Accepted for publication 28 September 1982. Copyright 1983 American Phytopathological Society. DOI: 10.1094/PD-67-525.

Wells soybeans (Glycine max) infected with Septoria glycines yielded less than uninfected benomyl-sprayed soybeans. Seed weight was reduced by S. glycines infection. The rate of leaf loss over time for S. glycines-infected plants was greater than for benomyl-sprayed plants during the pod-fill stage of development. The rate of dry matter accumulation in pods of S. glycines-infected plants was less than in benomyl-sprayed plants. There was no difference in pod numbers between S. glycines-infected and benomyl-sprayed plants.