Effect of auxins and alginate encapsulation on in vitro rooting of Sorbus domestica

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Abstract:

The effect of using different approaches for in vitro rooting of service tree (S. domestica L.) was tested. When applied conventionally, the type of auxin used significantly affected frequency of rooting, with highest values being obtained after using strong IAA concentrations (27.2 – 54.4 M). Both the frequency and intensity of callogenesis at the basal part of the microcuttings were positively correlated with auxin concentration. The preliminary diptreatment in concentrated IBA solution induced rooting accompanied by limited frequency of callus formation. The relationship between exposure time of auxin treatment and rooting followed a hyperbolic curve, with an optimal exposure of 80 s. The dynamics of rooting showed different patterns depending on the auxin used. Encapsulated microcuttings successfully rooted with a frequency comparable to that of the non-encapsulated ones.

Keywords: AUXINS; ENCAPSULATION; IN VITRO ROOTING; MICROCUTTINGS; SORBUS

Document Type: Regular Paper

Publication date: December 1, 2007

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  • The Belgian Journal of Botany (now known as Plant Ecology and Evolution) is an international journal open to all fields of plant sciences. Please note, however, that papers restricted to purely nomenclatural matters or to floristical data of only local interest will not be accepted. The Journal appears in one volume of two issues per year. It publishes reviews, original research papers, short notes, letters to the editor, and book reviews. Click here for current issues of this journal
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