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The effect of stage of maturity and storage on the respiratory quotient of potato tubers

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Summary

A respiratory quotient for the tuber, during development, of about 1,0 is succeeded by a variable quotient during the senescence and death of the foliage, harvesting, and the early weeks of storage. Later a quotient of about 1,0 is again observed, but later still there is a considerable increase above this value, suggesting a greater participation of an anaerobic cycle or cycles.

Zusammenfassung

Der Atmungsquotient der Knolle liegt während der Entwicklung ungefähr bei 1,0. Diesem folgt während des Alterns und Absterbens des Krautes, zur Zeit der Ernte und in den ersten Wochen der Lagerung ein veränderlicher Quotient. Später kann wieder ein Quotient von 1,0 beobachtet werden. Noch später steigt dieser Wert erheblich an, was auf eine stärkere Beteiligung eines oder mehrerer anaerobischer Atmungszyklen schliessen lässt.

Résumé

A un quotient respiratoire du tubercule, pendant le développement, d'environ 1, succède un quotient variable durant la sénescence et la mort du feuillage, la récolte et les premières semaines de la conservation. Plus tard on observe de nouveau un quotient respiratoire de 1 environ, mais, plus tard encore, il y a un accroissement considérable au-dessus de cette valeur, faisant supposer une participation plus grande d'un ou de plusieurs cycles anaérobies.

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Reference

  • Burton, W. G. (1962): A simple apparatus for measuring oxygen uptake and carbon dioxide output.Europ. Potato J. 5, 220–227.

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Burton, W.G. The effect of stage of maturity and storage on the respiratory quotient of potato tubers. Europ. Potato J. 6, 268–270 (1963). https://doi.org/10.1007/BF02366272

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  • DOI: https://doi.org/10.1007/BF02366272

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