Plantlet regeneration from cultured leaves of Cydonia oblonga L. (quince).
Adventitious shoots of Cydonia oblonga Quince A were obtained from leaves cultured on MS-N6 medium containing thidiazuron (TDZ) and α-naphthaleneacetic acid (NAA). The frequency of regeneration was high (78% of the cultured leaves with 3.2 shoots per regenerating leaf) at 32 μM TDZ plus 0.3 μM NAA on young leaves obtained from micropropagated shoots. Shoots were rooted by culturing them first on medium containing 5 μM NAA for one week and then on auxinfree medium for four weeks. The regeneration protocol may be useful for selection of somaclonal variants with increased tolerance to low Fe and for transformation mediated by Agrobacterium.
Department of Horticulture, Oregon State University, 97331, Corvallis, OR, USA.
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