Ethylene and Indole-3-Acetic Acid Participate in the In-Rolling and Opening of Carnation Petal Segments

Ethylene and Indole-3-Acetic Acid Participate in the In-Rolling and Opening of Carnation Petal Segments

We have examined the inward-rolling and outward-opening of petals from 90° stage carnation flowers (Dianthus charyophyllus L. cv. Pink Donor). Ethylene released from 2-chloroethylphosphonic acid (CEPA) induced in-rolling in the lower portions of the petals while that action was suppressed by an inhi...

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Veröffentlicht in:Journal of plant biology = Singmul Hakhoe chi 2007, 50(2), , pp.174-180
Hauptverfasser: Doh, E.J. (Konkuk University, Seoul, Republic of Korea), An, W.G. (Konkuk University, Seoul, Republic of Korea), Son, K.C. (Konkuk University, Seoul, Republic of Korea), Kim, S.Y. (Andong National University, Andong, Republic of Korea), Oh, S.E. (Konkuk University, Seoul, Republic of Korea), E-mail: seunoh@konkuk.ac.kr
Format: Artikel
Sprache:eng
Schlagworte:
Acetic acid
carnation ethylene
Chloroethylphosphonic acid
COROLA
COROLLA
COROLLE
Dianthus caryophyllus
Ethylene
IAA
in-rolling
Indoleacetic acid
Low level
opening
Petals
Plant hormones
Segments
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Zusammenfassung:We have examined the inward-rolling and outward-opening of petals from 90° stage carnation flowers (Dianthus charyophyllus L. cv. Pink Donor). Ethylene released from 2-chloroethylphosphonic acid (CEPA) induced in-rolling in the lower portions of the petals while that action was suppressed by an inhibitor of auxin transport. Another plant hormone, indole-3-acetic acid (IAA), intensified this ethylene-induced in-rolling. In contrast, when ethylene was not applied, the same IAA concentration promoted the opening of petal segments.
ISSN:1226-9239
1867-0725
DOI:10.1007/BF03030627