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Plant regeneration from cotyledons of Prunus persica, Prunus domestica, and Prunus cerasus

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Abstract

Shoots were regenerated from the proximal region of immature cotyledons (with the embryonic axis removed) of Prunus persica (peach) and from the same area in mature cotyledons of P. domestica (plum) and P. cerasus (sour cherry) on MS medium containing (in mgl-1) thiamine-HCl, 0.4; nicotinic acid, 0.5; pyridoxine-HCl, 0.5; sucrose, 25 000; and 0.7% agar. The medium was supplemented with 0.0–2.5 μM indole-butyric acid and 5–12.5 μM thidiazuron. Cultures were incubated at 24 °C under 16h photoperiod. Shoots regenerated adventitiously over a broad range of thidiazuron concentrations and 2.5 μM indole-butyric acid in 35 days. The presence of the embryonic axis inhibited the development of shoots. Regenerated shoots of peach and plum were rooted on half-strength MS inorganic semi-solid medium with 2.5–5.0 μM indole-butyric acid. Rooted plants were acclimatized and transferred to the greenhouse.

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Abbreviations

BAP:

6-benzylaminopurine

IBA:

indole-butyric acid

TDZ:

N-phenyl-N-1,2,3-thidiazol-5-ylurea

IAA:

indole-acetic acid

NAA:

α-naphthalene-acetic acid

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Mante, S., Scorza, R. & Cordts, J.M. Plant regeneration from cotyledons of Prunus persica, Prunus domestica, and Prunus cerasus . Plant Cell Tiss Organ Cult 19, 1–11 (1989). https://doi.org/10.1007/BF00037771

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  • DOI: https://doi.org/10.1007/BF00037771

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