Abstract
Immature embryo and root meristem expiants of wheat were cultured on modified medium of Murashige and Skoog and Gamborg’s medium supplemented with 2,4-dichlorophenoxy acetic acid. Morphogeriic callus cultures were obtained from both the expiants. The frequency of shoot formation varied from 22% to 48% from callus obtained from embryos while only root formation could be induced from root meristem expiants. Cultures from young and old non-differentiating calli, and calli with shoot and/or root formation at different intervals were analysed for isozymes of esterase, peroxidase and acid phosphatase for studying the morphogenic capacity. With the development of shoot and/or root from callus, some conspicuous isozymes appeared which indicates the involvement of these isozymes in root/shoot development rather than in the induction of morphogenesis in callus. Basic isozyme pattern of each enzyme for the callus was retained in all the callus stages.
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