Effects of 1,1-dimethyl-4-(phenylsulfonyl)semicarbazide (DPSS) on carnation flower longevity |
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| Authors: | Naoki Midoh Yuki Saijou Kuniomi Matsumoto Michiaki Iwata |
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| Institution: | (1) Pharmaceutical Research Center, Meiji Seika Kaisha, Ltd., 760 Morooka-cho, Kohoku-ku, Yokohama 222, Japan;(2) Fujiamide Chemical Co., Ltd., 5-8-18 Ukima, Kita-ku, 115 Tokyo, Japan |
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| Abstract: | The effects of a novel preservative for cut carnation flowers, 1,1-dimethyl-4-(phenylsulfonyl)semicarbazide (DPSS), were investigated. DPSS extended the vase life of cut carnation flowers not only by continuous treatment but pulse treatment as well. This inhibition of senescence by DPSS appeared to depend on that of ethylene production in carnation flowers. DPSS provided no protection from the action of ethylene nor did it inhibit 1-aminocyclopropane-1-carboxylic acid (ACC) synthase. It did inhibit ACC-dependent ethylene production in carnation petal discs, suggesting possible potential for inhibiting ACC oxidase. |
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| Keywords: | ACC oxidase carnation (Dianthus caryophyllus) ethylene flower longevity preservative senescence sulfonylsemicarbazide |
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