Abstract

Biotechnological elaborations for breeding purposes aimed at creating highly productive wheat varieties require a significant number of morphogenic calli, in which the manifestation of various pathways of morphogenesis in vitro are demonstrated. Of great practical interest is the gemmorhizogenesis in vitro, associated with multiple regeneration of full–fledged plants. It is methodically important to identify the dependence of the induction of this morphogenesis pathway in wheat calli in vitro on the duration of their cultivation as well cell/tissue mechanisms of gemmorhizogenic structures formation. On the example of morphogenic calli obtained from immature wheat embryos the process of gemmorhizogenic structures forming is significantly stretched over time, and the formation of morphogenetic zones lays at the basis of in vitro gemmorhizogenesis.

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