Naslov
PLANT HORMONES IN THE CHRISTMAS ROSE (Helleborus niger L.) REPRODUCTIVE DEVELOPMENT

Autori
Salopek-Sondi, Branka

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
BOOK OF ABSTRACTS OF THE 11TH CROATIAN BIOLOGICAL CONGRESS / Jelaska, Sven D. ; Klobučar, Göran I.V. ; Šerić Jelaska, Lucija ; Leljak Levanić, Dunja ; Lukša, Žaklin - Zagreb : Hrvatsko biološko društvo, 2012, 170-170

Skup
11th CROATIAN BIOLOGICAL CONGRESS with International Participation

Mjesto i datum
Šibenik, Hrvatska, 16.09.2012. - 21.09.2012

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Domaća recenzija

Ključne riječi
Christmas rose; reproductive development; auxin; cytokinin; gibberrelin

Sažetak
Christmas rose (Helleborus niger L.), a native perennial of southeastern Europe, is characterized by an interesting phenomenon in the world of flowering plants: after fertilization perianth becomes green, photosyntheticaly active, and persists during fruit development. Removal of the reproductive organs(anthers and carpels) affects the elongation and vascular anatomy of flower stalk, prevents complete perianth greening, and promotes perianth senescence. Endogenous plant hormones auxins, gibberellins and cytokinins, identified and quantified in floral and fruit tissues, are shown to regulate post-anthesis development. Profile and dynamics of these signaling molecules are summarized and their potential role in coordination of floral organ development is discussed.

Izvorni jezik
Engleski

Znanstvena područja
Biologija

POVEZANOST RADA