Summary
From research carried out in 1970 and 1971 with gas-tight containers it was confirmed that the dormancy of whole tubers can be broken by a treatment with carbon disulphide (CS2). The dose for optimal sprouting lies between 12 1/2 and 25 ml/m3 room volume. A period of treatment of 3 days at 20°C is generally sufficient. Treatment in spring of cold-stored, non-sprouted tubers at a dose of 12 1/2 ml/m3 for one day, gave an increase in the number of stems. CS2 gas-mixture is poisonous, very inflammable and explosive, so that the utmost care should be exercised during application.
References
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Meijers, C.P. Effect of carbon-disulphide on the dormancy and sprouting of seed-potatoes. Potato Res 15, 160–165 (1972). https://doi.org/10.1007/BF02355962
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DOI: https://doi.org/10.1007/BF02355962