In vitro Propagation of Purple Nutsedge (Cyperus rotundus L.) for Useful Chemical Extraction

The in vitro culture procedure of purple nutsedge
(Cyperus rotundus L.) for multiple shoot induction and tuber
formation was established. Multiple shoots were significantly
induced from a single shoot of about 0.5 – 0.8 cm long, on Murashige
and Skoog (MS) medium supplemented with 4.44 μM 6-
benzyladinine (BA) alone or in combination with 2.85 μM 1-
indoleacetic acid (IAA), providing 17.6 and 15.3 shoots per explant
with 31.2 and 27.5 leaves per explant, respectively, within 6 weeks of
culturing. Moreover, MS medium supplemented with 4.44 μM BA
and 2.85 μM IAA was suitable for tuber induction, obtaining 5.9
tubers with 3.4 rhizomes per explant. In combination with ancymidol
and higher concentration of sucrose, 11.1 μM BA and 60 g/L sucrose
or 11.1 μM BA, 7.8 μM ancymidol and 60 g/L sucrose induced 3.5
tubers with 1.6 rhizomes or 3.5 tubers without rhizome, respectively.
However, MS medium containing 3.9 or 7.8 μM ancymidol in
combination with either 60 or 80 g/L sucrose enchanced significant
root formation at 20.9 – 23.6 roots per explant.





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