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Plant Physiology logoLink to Plant Physiology
. 1975 Feb;55(2):218–222. doi: 10.1104/pp.55.2.218

Comparison of Propylene-induced Responses of Immature Fruit of Normal and rin Mutant Tomatoes 1,2

William B McGlasson a,3, Herbert C Dostal a, Edward C Tigchelaar a
PMCID: PMC541587  PMID: 16659054

Abstract

Continuous application of propylene to 40 to 80% mature fruits of normal tomato strains (Lycopersicon esculentum Mill.) advanced ripening in fruits of all ages by at least 50%. Although preclimacteric respiration was stimulated by propylene treatment, there was no concomitant increase in ethylene production. Once ripening commenced, the rates of endogenous ethylene production were similar in both propylene-treated and untreated fruits. Continuous exposure to propylene also stimulated respiration in immature fruits of rin, a nonripening mutant. Although respiration reached rates similar to those during the climacteric of comparable normal fruits there was no change in endogenous ethylene production which remained at a low level. Internal ethylene concentrations in attached 45 to 75% mature fruits of rin and a normal strain were similar. It is suggested that the onset of ripening in normal tomato fruit is not controlled by endogenous ethylene, although increased ethylene production is probably an integral part of the ripening processes.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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