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Nodular callus was induced at a high frequency on young purple red, 5–15 mm long laminae taken from in vitro grown plants of mangosteen. The optimal medium was composed of Murashige and Skoog (MS) nutrients supplemented with 2.22
μM benzyladenine (BA), 2.25 μM thidiazuron (TDZ), 500 mg l-1 polyvinylpyrrolidone (PVP 360 000) and 3% sucrose. A multiplication rate of two–three was obtained by subculture of the nodular
callus at 3–4-week intervals. Plantlet regeneration from the nodules was achieved by transfer to woody plant medium (WPM)
with 500 mg l-1 PVP, 0.4 μM BA and 3% sucrose and overlaying with half strength liquid MS containing 0.32 μM naphthaleneacetic acid (NAA),
0.13 μM BA and 3% sucrose. Elongated shoots were rooted to 100% when wounded at the base of shoot, dipped in 4.4 mM indolebutyric
acid (IBA) solution in the dark for 15 min and cultured on WPM supplemented with 1.11 μM BA, 0.25% activated charcoal, 34.5
μM phloroglucinol (PG) and 3% sucrose.
This revised version was published online in June 2006 with corrections to the Cover Date. 相似文献
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