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. 1980 Feb;65(2):372–376. doi: 10.1104/pp.65.2.372

Effects of Aminoethoxyvinylglycine and Countereffects of Ethylene on Ripening of Bartlett Pear Fruits

Penelope J Ness 1,1, Roger J Romani 1,2
PMCID: PMC440330  PMID: 16661193

Abstract

Pear fruits (Pyrus communis L. var. Bartlett) were treated with solutions containing aminoethoxyvinylglycine (AVG) using a modified vacuum infiltration method that introduced 4.3 milliliters solution per 100 grams tissue. At concentrations of 1 millimolar, AVG strongly inhibited ethylene production and delayed for 5 days the respiratory climacteric and accompanying ripening changes in skin color and flesh firmness. AVG was less effective in inhibiting the ripening of more mature fruits. Fruit infiltrated with 5 millimolar AVG had not begun to ripen 12 days after initiation of ripening in the controls. When treated with ethylene the inhibited fruit exhibited a climacteric rise in respiration, softened, and became yellow. Treatment of the AVG infiltrated fruits with ethyelne for 24 hours resulted in no recovery in endogenous ethylene production, but in a stimulation of protein synthesis measured as a 200% increase in leucine incorporation by excised tissue and a 74% increase in the percentage of ribosomes present as polysomes.

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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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