論文

2013年12月

Postharvest characteristics of cut dahlia flowers with a focus on ethylene and effectiveness of 6-benzylaminopurine treatments in extending vase life

Postharvest Biology and Technology
  • Hiroko Shimizu-Yumoto
  • ,
  • Kazuo Ichimura

86
開始ページ
479
終了ページ
486
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.postharvbio.2013.07.036

With the aim of extending vase life of cut dahlia flowers, we investigated the postharvest characteristics of the flowers. Our focus was on the role of ethylene on senescence and on treatments that have extended vase life of other flowers. Continuous exposure to ethylene at 2 or 10μLL-1 significantly accelerated petal abscission in cut flowers. Flowers continuously immersed in 1 or 10μLL-1 2-chloroethylphosphonic acid (CEPA) solution wilted earlier than those treated with distilled water (DW) or 0.15gL-1 citric acid. Ethylene production from the ovary and ray petal was relatively high (4.5 and 0.9nLg-1freshweighth-1, respectively) at harvest, but decreased gradually over 5 days. No remarkable increase in ethylene production was observed during senescence. Silver thiosulfate complex (STS), an inhibitor of ethylene action, did not extend the vase life of cut flowers, although a high silver concentration was detected in flower organs. In contrast, pulse treatment with 1-methylcyclopropene (1-MCP) and dip treatment with 6-benzylaminopurine (BA) extended the vase life of florets, and BA was more effective than 1-MCP when the flowers were held in both DW and CEPA. BA spray treatment extended vase life of cut 'Kokucho,' 'Kamakura' and 'Michan' flowers. These results suggest that dahlia flower senescence is partially regulated by ethylene, and BA is more effective in delaying the senescence of cut dahlia flowers than ethylene action inhibitors. © 2013 Elsevier B.V.

リンク情報
DOI
https://doi.org/10.1016/j.postharvbio.2013.07.036
J-GLOBAL
https://jglobal.jst.go.jp/detail?JGLOBAL_ID=201302217228191853
URL
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84882936158&origin=inward
ID情報
  • DOI : 10.1016/j.postharvbio.2013.07.036
  • ISSN : 0925-5214
  • J-Global ID : 201302217228191853
  • SCOPUS ID : 84882936158

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