Summary
Isolated leaves from seven different plants were treated with hormones in order to study their rooting response.
Ipomæa batatas leaves were treated with I.A.A., I.B.A. and N.A.A. and it was found that 2·5 p.p.m. I.B.A. is the best concentration for rooting.
Pogostemon leaves showed best rooting with 2·5 p.p.m. I.B.A.,Amaranthus with 5 p.p.m.,Helianthus, Chenopodium andBoerhaavia with 10 p.p.m. andCephalandra with 20 p.p.m. I.B.A.
Rooting response of various experimental leaves is different to different concentrations of the hormones.
It is suggested that the different rooting response of the materials to the different hormones lies on the structure of the cell wall and the reactive capacity of the hormones.
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References
Gregory, F. G. and Samantarai, B. “Factors concerned in the rooting responses of isolated leaves,”Journ. Expt. Bot., 1950,1, 159–93.
Samantarai, B. and Kabi, T. “Secondary growth in petioles and the partial shoot theory of the leaf,”Nature, 1953,172, 37.
— and Misra, G. “Hormone-induced rooting in isolated leaves,”Science & Culture, 1953,18, 388–89.
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Went, F. W. and Thimann, K. V.Phytohormones, 1945, Macmillan Co., New York.
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Communicated by Dr. I. Banerji,f.a.sc.
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Samantarai, B., Kabi, T. Rooting responses in isolated tropical leaves. Proc. Indian Acad. Sci. 39, 243–248 (1954). https://doi.org/10.1007/BF03050424
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DOI: https://doi.org/10.1007/BF03050424