Contents of Macroelements and Growth of Sweet Cherry Rootstock in vitro
Rootstocks for sweet cherry (Prunus canescens Bois) Camil GM 79 were grown in vitro on Murashige and Skoog (MS) medium, and on MS medium with double- and half-strength macroelements. All the media contained 4.4 μM 6-benzyladenine, 0.5 μM α-naphthylacetic acid, 0.3 μM gibberellic acid, 20 g dm⁻³ sucrose and 7 g dm⁻³ agar. The chemical analyses were monitored on day 0 and 40 of culturing in callus, stem and leaves. Fresh and dry mass of shoots increased linearly up to the end of culture. The highest fresh and dry masses and also the content of Ca and Mg were registered in shoots grown on half-strength MS medium.
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