Failure of 2-Pyridinecarboxylic Acid, an Inhibitor of 1-Aminocyclopropane-1-carboxylate Oxidase, as a Universal Flower Care Agent to Extend the Vase Life of Cut Carnation Flowers

doi:10.2503/hortj.utd-153

Paper

Failure of 2-Pyridinecarboxylic Acid, an Inhibitor of 1-Aminocyclopropane-1-carboxylate Oxidase, as a Universal Flower Care Agent to Extend the Vase Life of Cut Carnation Flowers

Published 2020 · S. Satoh, Keiko Makino, Keita Shimada

The Horticulture Journal

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Abstract

2-Pyridinecarboxylic acid (2-PCA) acts as an inhibitor of ethylene biosynthesis in Arabidopsis thaliana by binding to the active site of 1-aminocyclopropane-1-carboxylate oxidase. In this study, we examined the action of 2-PCA in comparison with the action of 3-PCA, a recently discovered stimulator of flower opening, in cut flowers of the spray-type carnation cultivars, ‘Light Pink Barbara (LPB)’, ‘Carnet’, ‘Collin’, and ‘Zulia’. With ‘LPB’ flowers, 2-PCA at 0.5–5 mM did not prolong the vase life, whereas 3-PCA at 5 mM did so. With the other three cultivars, 3-PCA generally promoted flower opening of all the cultivars. On the other hand, the action of 2-PCA on flower opening and senescence varied with the carnation cultivar and time of harvest, resulting in a shortened, unchanged or lengthened vase life of the flowers. 2-PCA also caused severe bending of flower stems in all cultivars, which lowered the display value of the flowers. The present results showed that 2PCA is not likely to be a useful flower care agent in carnation flowers.

Study Snapshot

2-Pyridinecarboxylic acid (2-PCA) is not a universally effective agent to extend the vase life of cut carnation flowers, as its effects vary with the carnation cultivar and time of harvest, and may cause stem bending.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Failure of 2-Pyridinecarboxylic Acid, an Inhibitor of 1-Aminocyclopropane-1-carboxylate Oxidase, as a Universal Flower Care Agent to Extend the Vase Life of Cut Carnation Flowers

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References

Pyrazinamide and derivatives block ethylene biosynthesis by inhibiting ACC oxidase

Pyrazinamide, a clinical drug used to treat tuberculosis, effectively inhibits ethylene biosynthesis in plants, potentially reducing postharvest loss and improving plant metabolism.

Further characterization of the action of pyridinedicarboxylic acids: multifunctional flower care agents for cut flowers of spray-type carnation

2,4-PDCA effectively extends vase life of spray-type carnations, accelerating flower opening and retarding senescence, making it a promising novel flower care agent for cut flowers.

Pyridinedicarboxylic Acids Prolong the Vase Life of Cut Flowers of Spray-type ‘Light Pink Barbara’ Carnation by Accelerating Flower Opening in Addition to an Already-known Action of Retarding Senescence

Pyridinedicarboxylic acids (PDCAs) accelerate flower opening and retard senescence, extending the vase life of cut flowers of 'Light Pink Barbara' carnation.

Pyridine 2,4-Dicarboxylate Downregulates Ethylene Production in Response to Mechanical Wounding in Excised Mature Green Tomato Pericarp Discs

PDCA partially suppresses ethylene production in response to mechanical wounding in mature green tomato pericarp discs, potentially affecting fruit color development and ethylene evolution.

Cloning and characterization of a cDNA encoding sucrose synthase associated with flower opening through early senescence in carnation (Dianthus caryophyllus L.)

DcSUS1 plays a role in petal cell growth during carnation flower opening and early senescence, with constant accumulation in petals during flower opening and early senescence.

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