The influence of adenine and benzyladenine of rooting and development of Fuchsia hybrida cuttings

• Autorzy: Wroblewska K.

Warianty tytułu

PL

Wplyw adeniny i benzyladeniny na ukorzenianie i rozwój sadzonek fuksji ogrodowej Fuchsia hybrida

• Języki publikacji: EN

Abstrakty

EN

Cytokinins are a group of plant hormones stimulating, among others, axillary bud formation and inhibiting rhizogenesis. Adenine, their common component, often expresses cytokinin-like activity in plant development. The aim of the experiment was to determine the effect of adenine on rooting and development of Fuchsia hybrida cuttings. The influence of adenine was also assessed in comparison to benzyladenine, including their cooperation with 1-naphthaleneacetic acid. Anatomical analysis of the rooting process was also undertaken. Application of BA, both alone or together with NAA, strongly inhibited rhizogenesis, but stimulated axillary shoot outgrowth. Adenine exhibited cytokinin-like activity on axillary shoot development in Fuchsia hybrida cuttings, but did not show the inhibitory effect on root development typical for cytokinins. This compound, particularly at higher concentrations, stimulated both axillary shoot development and rooting, which was expressed as an increase in root number and rooting percentage, even after direct application to the base of the cuttings. Anatomical analysis revealed adenine-derived acceleration during elongation of adventitious root primordia.

PL

Cytokininy to grupa hormonów roślinnych, stymulujących powstawanie pąków bocznych, ale hamujących ukorzenianie. Ich wspólny składnik, adenina, często wykazuje działanie podobne do cytokinin. Celem badań było określenie wpływu adeniny na ukorzenianie i rozwój sadzonek fuksji ogrodowej Fuchsia hybrida ‚Swingtime’. Wpływ adeniny na sadzonki został również porównany z BA, obejmując także ocenę współdziałania tych związków z kwasem naftylooctowym. Przeprowadzono także analizę anatomiczną procesu ukorzeniania. Zastosowanie BA, zarówno samej, jak i z NAA, silnie hamowało ukorzenianie sadzonek, stymulując jednak rozwój pędów bocznych. Adenina wykazała działanie podobne do cytokinin na wzrost pędów bocznych, nie wykazała jednak typowego dla tych regulatorów wzrostu hamowania rizogenezy. Związek ten, zwłaszcza w wyższych stężeniach, stymulował zarówno rozwój pędów bocznych, jak i tworzenie korzeni, wyrażone zwiększonym procentem ukorzeniania sadzonek oraz większą liczbą korzeni przybyszowych, nawet gdy został podawany bezpośrednio do podstawy sadzonek. Analiza anatomiczna wykazała wywołane adeniną przyspieszenie na etapie wydłużania się zawiązków korzeni przybyszowych.

• Wydawca: -
• Czasopismo: Acta Agrobotanica
• Rocznik: 2012
• Tom: 65
• Numer: 4
• Opis fizyczny: p.101-108,fig.,ref.

Twórcy

autor

Wroblewska K.

• Department of Horticulture, Wroclaw University of Environmental and Life Sciences, Pl. Grunwaldzki 24 A, 50-363 Wroclaw, Poland

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