Thidiazuron and Benzylamino Purine Stimulation of Apple Shoot Proliferation in Vitro

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  • 1 Univ. of Baghdad, College of Agriculture, Dept. of Horticulture, Abu-Ghraib, Baghdad, Iraq

Thidiazuron (TDZ) and benzylamino purine stimulated shoot proliferation on shoot tip explants of wild apple (Malus domestica Borkh) when incorporated in Murashige and Skoog (MS) medium at concentrations of 1.0–10 μm. Shoot numbers obtained with TDZ were greater than the number produced when using BA in the medium but the shoots were shorter than with BA. Increasing TDZ levels increased shoot proliferation with 10 μm. Apple shoots were successfully rooted on MS medium with 2.0 mg·L–1 NAA and then transferred to a mixture of 1 peat: 1 perlite: 1 soil and acclimatized for potting.

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