The effects of (S)-(+)-carvone treatments on seed potato tuber dormancy and sprouting |
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Authors: | Carlo Sorce Roberto Lorenzi Paolo Ranalli |
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Institution: | (1) Dipartimento Biologia Piante Agrarie-Sezione Fisiologia Vegetale, University of Pisa, via Mariscoglio, 34, 56124 Pisa, Italy;(2) Istituto Sperimentale Colture Industriali, via di Corticella, 133, 40129 Bologna, Italy |
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Abstract: | Summary Potato seed tubers may suffer from premature sprouting during storage, thus limiting their suitability for cultivation. Commonly
used sprout suppressant treatments negatively affect but viability and therefore a reliable method to inhibit bud development
must still be found for seed tubers. The monoterpene carvone ((S)-(+)-carvone) was tested in small scale experiments. The
vapour of this compound fully inhibited bud growth of tubers cv. Monalisa stored at 23°C without affecting bud viability throughout
6 months of treatment. The most effective range of carvone vapour concentrations was between 0.34 and 1.06 μmol mol−1. With these qualities we can expect carvone to become a suitable sprout suppressant for seed tubers. |
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Keywords: | concentration gas chromatography sprout suppression storage Solanum tuberosum L |
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