81.3 x 56.5 cm. (32 x 22.2 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...
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 ...
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