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The effect of maleic hydrazide (potassium salt) on potato yield,sugar content and chip color of Kennebec and Norchip cultivars |
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| Authors: | R. Y. Yada R. H. Coffin M. K. Keenan M. Fitts C. Dufault G. C. C. Tai |
| Affiliation: | 1. Department of Food Science, University of Guelph, N1G 2W1, Guelph, ON, Canada 2. Potato Services Division, Prince Edward Island Department of Agriculture, C0B 1M0, Kensington, PEI, Canada 3. Prince Edward Island Potato Marketing Board, C1A 7Z5, Charlottetown, PEI, Canada 4. Ontario Ministry of Agriculture and Food, L0R 2E0, Vineland Station, ON, Canada 5. Departments of Applied Biology and Zoology, University of Cambridge, CB2 3 EJ, Cambridge, England 6. Agriculture Canada, E3B 4Z7, Fredericton, NB, Canada |
| Abstract: | A new formulation of maleic hydrazide (MH), a potassium salt formulation, was field tested for 3 years in Ontario to evaluate effects on yield performance, and on the sprouting and processing quality of cvs. Norchip and Kennebec potatoes. Foliar applied MH had no apparent effect on yield of potatoes, was effective in suppressing sprout growth, and had no effect on the sugar content (i.e., fructose, glucose and sucrose) of potatoes newly harvested and after 6 months storage. Although chip color varied from yearto-year, no consistent difference was found between the color of chips made from potatoes from untreated and MH-treated plants. |
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