Adventitious bud regeneration from the stigma of Sinapis alba L.

Elżbieta Zenkteler, Łukasz Zarychta


Stigmas isolated from flower buds of 'Nakielska' variety of Sinapis alba were used to develop a micropropagation method suitable for breeding of new cultivars. The origin of adventitious bud regeneration was studied on MS medium, under stimulation by bezylaminopurine (BAP) in combination with 2,4-D - dichlorophenoxyacetic acid (2,4-D). Histological analysis showed the structure of Sinapis stigma (composed from four types of tissue: papillae, transmitting tissue, parenchyma and vascular bundles) and revealed that numerous meristematic centers developed from parenchyma cells in close vicinity of vascular bundles. Buds very quickly appeared on the surface of initial explants and later formed multiplantlets that were easily rooted in the soil.


Sinapis alba L. (Brassica hirta); white mustard; stigma-culture; adventitious bud regeneration; plantlet development

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