Summary
Working with the sprout inhibitors IPC and CIPC we compared 3 treatment methods: (1) a 10 ppm dosage of powder distributed over the tubers, (2) a Swingfog treatment (atomizing a solution in the air duct, dosage up to 20 ppm), (3) a porous cartridge containing the inhibitor placed in the air duct. To obtain good sprout inhibition in connection with accumulated IPC/CIPC residue values below the legal level of 0.5 mg per kg peeled tubers we advise the powder treatment only for relatively long storage (up to May–June); a 10 or 20 ppm Swingfog treatment for short storage (up to January–February) or longer storage respectively.
With the cartridge system we obtained promising results; good sprout inhibition and satisfactorily low residue values.
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References
Vliet, W. F. van & Hertog, S., 1966. The analysis of sprout inhibitor residues in the potato tuber.Eur. Potato J. 9: 152–160.
Vliet, W. F. van & Hertog, S., 1968. IPC en Chloor IPC residuen in aardappelen. Jaarb. IBVL 1967/68, 43–54.
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van Vliet, W.F., Sparenberg, H. The treatment of potato tubers with sprout inhibitors. Potato Res 13, 223–227 (1970). https://doi.org/10.1007/BF02355979
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DOI: https://doi.org/10.1007/BF02355979