Research Article
Etiology and Biological Control of Sclerotinia Blight of Coneflower Using Trichoderma Species
Alberta Agriculture, Food and Rural Development, Field Crop Development Centre, Lacombe, AB T4L 1Wl,
Sheau-Fang Hwang
Alberta Research Council, Vegreville, AB T9C 1T4,
Heping Wang
Alberta Research Council, Vegreville, AB T9C 1T4,
George Turnbull
Alberta Research Council, Vegreville, AB T9C 1T4,
Ronald Howard
Alberta Agriculture, Food and Rural Development, Crop Diversification Centre South, Brooks, AB Tl R 1E6, Canada