INPUT TO SEED BANKS OF PROSO MILLET (Panicum miliaceum) IN SOUTHERN ONTARIO

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Abstract
The production and dispersal of the black-seeded form of proso millet (P. miliaceum) were investigated at 5 farm fields in Huron County, Ontario in 1980. Three crops (corn, barley and white beans) subjected to normal crop management practices were represented. Seed traps were used to determine the period, the distance, and the direction of seed dispersal. Seed production (density), determined from a single harvest, averaged 92 seeds/m2 in barley, 2354 seeds/m2 in corn and 38,247 seeds/m2 in white beans. Seed dispersal on Aug. 11 in the corn crop, Aug. 25 in the white beans and Sept. 8 in barley. Most seeds were dispersed in Sept., although dispersal continued until the field was disturbed at harvest or with fall tillage. Seeds were dispersed in almost equal proportions in all directions. Only a very few seeds were dispersed further than the maximum lateral spread of the parent plants.