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1 May 2005 MICROPROPAGATION OF PSEUDOXYTENANTHERA STOCKSII MUNRO
Abstract

An efficient and reproducible procedure for the large-scale propagation of Pseudoxytenanthera stocksii is described. High-frequency multiple shoot induction was achieved from nodal shoot segments collected from superior/elite genotypes on Murashige and Skoog (MS) liquid medium supplemented with 1-naphthaleneacetic acid (NAA; 2.68 μM) and 6-benzylaminopurine (BA; 4.40 μM) at 28 ± 1°C and 60 μmol m−2 s−1 light intensity under 12 h photoperiod. In vitro-differentiated shoots were multiplied on MS liquid medium fortified with NAA (2.68 μM), BA (2.21 μM) and additives: ascorbic acid (283.93 μM), citric acid (118.10 μM), cysteine (104.04 μM), and glutamine (342.24 μM). Subculturing was carried out every 2 wk on fresh shoot multiplication medium. About 125–150 shoots per culture flask were harvested within 45–50 d. In vitro-differentiated shoot clumps (three or four shoots) were successfully rooted on half-strength MS basal liquid medium with indole-3-butyric acid (4.90 μM), BA (0.44 μM), and additives. This is the first report where in vitro-and in vivo- (through tillers) raised clonal plants were acclimatized and established in the field, where they exhibited normal growth.

"MICROPROPAGATION OF PSEUDOXYTENANTHERA STOCKSII MUNRO," In Vitro Cellular and Developmental Biology - Plant 41(3), (1 May 2005). https://doi.org/10.1079/IVP2004625
Received: 8 March 2004; Accepted: 24 November 2004; Published: 1 May 2005
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