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首页> 外文期刊>The Horticulture Journal >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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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

机译：2-吡啶羧酸，1-氨基环丙烷-1-羧酸氧化酶的抑制剂，作为普通花护理剂，以延长切割康乃馨花的花瓶寿命

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摘要

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 2-PCA is not likely to be a useful flower care agent in carnation flowers.
机译：通过与1-氨基环丙烷-1-羧酸氧化酶的活性位点结合，将2-吡啶羧酸（2-PCA）用作亚洲乙烯生物合成的抑制剂。在这项研究中，我们审查了2-PCA的行动与3-PCA的动作相比，最近发现的花开花刺激器，在喷雾型康乃馨品种的切花中，'浅粉红色芭芭拉（LPB）'， 'carnet'，'collin'和'zulia'。凭借'LPB'花，2-PCA 0.5-5毫米，没有延长花瓶寿命，而3-PCA在5毫米处以5毫米。随着另外三种品种，3-PCA通常促进了所有品种的开花开口。另一方面，2-PCA在花开口和衰老上的作用随着康乃馨品种和收获时间而变化，导致花的缩短，不变或延长的花瓶寿命。 2-PCA还引起了所有品种中的花茎的严重弯曲，从而降低了花的显示值。本结果表明，2-PCA不太可能是康乃馨花的有用花卉护理剂。

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