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Pea Cultivar Effect on Seed Treatment With Penicillium oxalicum in the Field. Carol E. Windels, Scientist, Department of Plant Pathology, University of Minnesota, St. Paul 55108; Thor Kommedahl, professor, Department of Plant Pathology, University of Minnesota, St. Paul 55108. Phytopathology 72:541-543. Accepted for publication 27 July 1981. Copyright 1982 The American Phytopathological Society. DOI: 10.1094/Phyto-72-541.

Seedling stands from seeds treated with Penicillium oxalicum were greater than those from untreated seeds in four of five cultivars in 1 of 2 yr. At harvest, each cultivar showed no differences in stands or weights of plants from seeds treated with P. oxalicum or captan or from untreated seed. When seed treatment means were compared at harvest, P. oxalicum and captan-treated seeds resulted in greater stands than did untreated seeds in 2 of 3 yr. In 1980, P. oxalicum-treated seeds gave plant stands, vine and pod weights equal to those from captan-treated seeds, and these results were significantly greater than values from untreated seeds.

Additional keywords: biological control.