Anther culture with different genotypes of opium poppy (Papaver somniferum L.): effect of cold treatment
Dieu, P. and Dunwell, J. M. Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1007/BF00034367 Abstract/SummaryThis study concerns anther culture and the production of microspore-derived calluses and plants of the opium poppy (Papaver somniferum L.). It was confirmed that growth regulators were necessary for microspore callus production. Cold treatment (7 d at 7 °C) of the buds prior to culture lead to a twofold increase in the frequency of responsive anthers and in the number of calluses per 100 anthers plated. Callus was produced from cultured anthers of several genotypes, covering a wide genetic background. Step by step removal of growth regulators from the culture medium promoted organogenesis and plant regeneration. Most regenerated plants were diploid. The overall process of microspore embryogenesis closely resembled that described in previous reports on somatic callus production and plant regeneration from poppy hypocotyls in vitro.
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