RUST (Puccinia helianthi Schw.) is a major hazard to sunflower production in a number of countries. The area devoted to sunflowers for edible oil in Canada, all in southern Manitoba, was reduced from ...
Rust, caused by the fungal pathogen Puccinia helianthi, is not a disease that we see every year. However, if it occurs early in the season, it can pose severe disease problem of sunflowers in Nebraska ...
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