Abstract
A procedure was established for the induction of regenerable calli from immature inflorescence segments of high-tannin cultivars of sorghum (Sorghum bicolor (L.) Moench). Murashige & Skoog's medium with several components altered was utilized for inducing, maintaining, and regenerating the cultures. Embryogenic calli formed at a frequency of 8–70% depending on the genotype. During a ten-month period, 3600 plants were regenerated from eight genotypes tested. Among the developmental stages of immature inflorescence tested (from differentiation of secondary branch primordia to floret formation) no critical differences were found in potential for callusing, embryogenesis or regeneration. Genotypic differences were observed in pigment production, embryogenic callus formation, shoot differentiation, and in maintenance of regeneration capacity.
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Abbreviations
- 2,4-D:
-
dichlorophenoxyacetic acid
References
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This is Journal Paper Number 11972 from the Purdue University Agricultural Experiment Station
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Cai, T., Butler, L. Plant regeneration from embryogenic callus initiated from immature inflorescences of several high-tannin sorghums. Plant Cell Tiss Organ Cult 20, 101–110 (1990). https://doi.org/10.1007/BF00114707
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DOI: https://doi.org/10.1007/BF00114707