The Horticulture Journal
Online ISSN : 2189-0110
Print ISSN : 2189-0102
ISSN-L : 2189-0102
ORIGINAL ARTICLES
Promotion of Flower Opening of Spray-type Carnation Cut Flowers by 3-Pyridinecarboxylic Acid, a Simple Analog of Pyridinedicarboxylic Acids (PDCAs) Including 2,3- and 2,4-PDCAs
Shigeru SatohYoshihiro Nomura
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2019 Volume 88 Issue 2 Pages 293-298

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Abstract

Pyridinedicarboxylic acid (PDCA) analogs extend the vase life of spray-type (SP) carnation flowers by accelerating flower opening and retarding senescence. Among the PDCA analogs, 2,3-PDCA and 2,4-PDCA are equally and highly effective. In the present study, we characterized the promotion of flower opening by PDCAs and their analogs, pyridinecarboxylic acids. The present results showed that 3-pyridinecarboxylic acid (3-PCA), and its derivative, 3-PCA amide, are most active in accelerating flower opening of ‘Light Pink Barbara’ carnation cut flowers. 3-PCA treatment promoted flower opening in cut flowers of many SP carnation cultivars, that had been stored dry at 2–4°C for 3 weeks and resulted in extension of their display time.

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