Micropropagation of Several Lingonberry Cultivars

Abstract

Micropropagation of lingonberry, Vaccinium vitis-idaeaL., has become a popular method of Propagation for commercial growers offering ngonberry plants; however, recommendations for basal media, plant growth regulators, and culture conditions vary substantially among publications and commercial propagators. We round that lingonberry cultivars differed in shoot growth with various concentrations of the cytokinin 2ip (N ⁶-[2-isopentenyl]adenine), and that the addition of the auxin IAA (indoleacetic acid) did not increase shoot quality or multiplication rates of ‘Sussi,’ ‘Erntedank,’ or ‘Koralle.’ In addition, tests using several concentrations of IBA (3-indolebutyric acid) in powder form did not enhance rooting of microcuttings. Woody Plant Medium containing 10 μM 2ip was an effective growing medium for the three lingonberry cultivars tested. Higher concentrations of 2ip favor increased shoot development, but the clonal fidelity of these shoots may be suspect. Stabilized cultures with consistent shoot production from 3-node stem section explants have been established for eleven lingonberry cultivars.