Size of tuber propagule influences injury of 'Kennebec' potato plants by constant light |
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| Authors: | Cushman K E Tibbitts T W |
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| Institution: | Department of Horticulture, University of Wisconsin, Madison 53706, USA. |
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| Abstract: | Chlorosis and necrotic spotting develop on the foliage of particular cultivars of potato (Solanum tuberosum L.) when grown under constant light. 'Kennebec', a cultivar severely injured by constant light when propagated from tissue-cultured plantlets, also was injured when plants were propagated from small tuber pieces (approximately 1 g). However, plants did not develop injury when propagated from large tuber pieces (approximately 100 g). Plants from large tuber pieces grew more rapidly than plants from small tuber pieces. The role of plant vigor and carbohydrate translocation in controlling injury development is discussed. |
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