Efficacy of Vitaflo 280 to control soil- and seed-borne diseases of pea and lentil, and compatibility with rhizobium inoculants
Lentil (Lens culinaris Medikus) and pea (Pisum sativum L.) have the ability to fix dinitrogen (N2) from the atmosphere. Rhizobium inoculants are applied to the seed to ensure effective N2 fixation. In addition, fungicidal seed treatments are recommended to control extremely aggressive diseases such as Ascochyta, Botrytis, Fusarium, and Rhizoctonia seedling blight. To determine the efficacy of Vitaflo 280 to control seedling blight of pea and lentil caused by Botrytis cinerea, Mycosphaerella pinodes (Ascochyta blight), Rhizoctonia solani and Fusarium spp. experiments were established at several locations and years in western Canada. To determine the effect of Crown, Allegiance FL, Vitaflo 280, and Apron Maxx on the ability of Rhizobium inoculants to nodulate and fix N2 from the atmosphere experiments were established at two locations in Saskatchewan in 2002. Vitaflo 280 at the recommended rates effectively controls seedling blight of lentil caused by seed-borne Botrytis cinerea and soil-borne Fusarium spp and Rhizoctonia solani. Vitaflo 280 at the recommended rates effectively controls seedling blight of pea caused by seed-borne Mycosphaerella pinodes and soil-borne Fusarium spp and Rhizoctonia solani. In addition, Allegiance FL, Crown, Vitaflo 280, and Apron Maxx at the recommended rates have no effect on visual nodulation or the ability of the Rhizobium to fix N2 from the atmosphere.
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