Abstract
Six media compositions and different transfer times were compared in order to improve the quality of microspore derived structures and their regeneration capacity. The production of regenerated plantlets was increased by a factor of 10 by an early transfer of anthers to medium with low sugar concentration and the use of kinetin-like growth regulators. The best transfer date was 3 weeks after initial plating, onto medium containing 25 gl−1 sucrose and 1 mg l−1 kinetin. This study demonstrates that anther transfer at an early developmental stage, before macroscopic appearance of embryo-like structures, improves embryo quality and further regeneration. This production of androgenetic structures showing normal morphological features is the first step to obtain an improvement of androgenetic plant regeneration yield.
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Barloy, D., Beckert, M. Improvement of regeneration ability of androgenetic embryos by early anther transfer in maize. Plant Cell Tiss Organ Cult 33, 45–50 (1993). https://doi.org/10.1007/BF01997597
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DOI: https://doi.org/10.1007/BF01997597