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Effect of Soil Temperature and Pseudomonas glycinea on Emergence and Growth of Soybean Seedlings. J. C. White, Professor, Department of Botany and Bacteriology, Louisiana Tech University, Ruston 71270; J. F. Nicholson(2), and J. B. Sinclair(3). (2)(3)Graduate Research Assistant and Professor, respectively, Department of Plant Pathology, University of Illinois, Urbana 61801. Phytopathology 62:296-297. DOI: 10.1094/Phyto-62-296.

An isolate of Pseudomonas glycinea from soybean (Glycine max) seed significantly reduced emergence of inoculated Amsoy soybean seed at constant soil temperatures of 20, 25, 30, and 35 C, respectively, with the greatest reduction occurring at 35 C. Mean height of 6-day-old seedlings from inoculated seed were significantly less than from noninoculated seed only at 25 C. There were no significant differences between the mean dry weight of seedlings from inoculated or noninoculated seed. Isolates similar to the one used for these studies may be an important factor in evaluating soybean seed quality.

Additional keywords: soybean seed quality, bacterial blight of soybean.