The effect of thiabendazole seedpiece treatment on Monona potatoes in Wisconsin |
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Authors: | W R Stevenson J Stewart P Sanderson |
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Institution: | 1. Department of Plant Pathology, University of Wisconsin-Madison, 53706, Madison, WI
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Abstract: | Seedpiece protectants containing thiabendazole (TBZ) were deleterious to stand establishment and yield and were associated with the formation of secondary tubers from seedpieces on Monona potatoes in four of five years (1980–1984) in Wisconsin. Seed tubers treated with a pre- and/or poststorage mist application of TBZ prior to a post-cutting treatment with a dust formulation containing 0.5% TBZ were most severely affected. The negative effects of pre- and post-cutting TBZ treatment on yield were additive. Observations in grower fields during 1981 indicated that cultivars differed in their sensitivity to this fungicide. Ontario, LaChipper, and Monona were most severely affected while problems were not observed on the Superior and Russet Burbank cultivars. |
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