Biological Control Agents

International Symposia on Biological
Control of Weeds


Lead Author Last Name: Powell



ArticleLead AuthorYear
The functional forms of density-dependent birth and death rates in diffuse knapweed (Centaurea diffusa) explain why it has not been controlled by Urophora affinis, U. Quadrifasciata and Sphenoptera jugoslavicaPowell, Robert D.1988
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USDA Forest Service Bugwood University of Georgia