Abstract

Latex-coated pellets, consisting of a nucleus of pearl barley coated with molasses and limestone, plus either fungicides, chitin or fertilizer at the rate of 162 to 1200 g pearl barley, did not significantly reduce root rot when compared with pearl barley alone at Morden and La Riviere, Manitoba. The pellets did not give effective control or accurate release of chemicals despite a rainfall of 25 cm in 3 months; other methods of release, independent of moisture, are needed to give better timed-release. Instant-release fungicidal pellets without latex tested on agar reduced aerial growth of Cochliobolus sativus and other fungi. Precocious sporulation occurred in C. sativus with SWF 910, Vitavax and Hoechst 2981 treatments, in Ulocladium sp. with Vitavax, and in Fusarium culmorum with Hoechst 2981.

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