Rooting performance of cuttings of Patchouli, Pogostemon cablin (Blco.) Benth.
1994
Guzman C.C. de | Reglos R.A. | Tuico A.V. | Flavier M.E.E.
The rooting performance of cuttings of patchouli, Pogostemon cablin (Blco.) Benth., as influenced by the type of shoot cutting used and the type and method of application of plant growth regulators (PGRs) was investigated. Along a given shoot region, root production of stem cuttings followed the order: 1st 2-node>2nd 2-node>3rd 2-node from the tip. A half-node cutting was just as responsive as a one-node or a 2-node stem cutting. Leaf cuttings produced low root number but the highest root length. They were also capable of regenerating shoots. Root number in stem cuttings treated with the auxins indolebutyric acid (IBA) and naphthaleneacetic acid (NAA) increased nearly six- and four-fold, respectively, over the control. Root length, however, was considerably inhibited by these auxins. Root dry weight was not affected. No significant difference was observed in the rooting performance of patchouli stem cuttings treated either by 6 hr soaking with 100 ppm IBA or by 20 sec dipping with 1000 ppm IBA.
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