Abstract
Indole-3-acetic acid (IAA) strongly enhanced rooting of etiolated pea epicotyl cuttings while gibberellic acid (GA3) enhanced rooting only slightly. The promoting effects of the hormones appeared not until 14 d after the onset of treatment. When GA3 and IAA were applied together, the initiation of rooting started already after 6 d after onset of treatment. It is suggested that gibberellin plays an important role, in combination with auxin, in the initiation of root formation in Pisum cuttings.
Abbreviations
- IAA:
-
Indole-3-acetic acid
- GA3 :
-
Gibberellic acid
References
Bhattacharya, S., Bhattacharya, N.C., Malik, C.P.: Synergistic effect of gibberellic acid and indole-3-acetic acid on rooting in stem cuttings of Abelmoschus esculentus Moench. Planta 138, 111–112 (1978)
Brian, P.W., Hemming, H.G., Lowe, D.: Inhibition of rooting of cuttings by gibberellic acid. Ann. Bot. 24, 407–419 (1960)
Fellenberg, G.: Influence of GA3 and kinetin upon auxin-induced root initiation and nucleoproteins of pea epicotyls. Z. Pflanzenphysiol. 60, 457–466 (1969)
Hansen, J.: Adventituous root formation induced by gibberellic acid and regulated by the irradiation to the stock plants. Physiol. Plant. 36, 77–81 (1976)
Jansen, H.: Die Wirkung von Gibberellinsäure und Indolylessigsäure auf die Wurzelbildung von Tomatenstecklingen. Planta 74, 371–378 (1967)
Nanda, K.K., Ananda, V.K., Chibbar, R.N.: Promotive effect of gibberellic acid on the production of adventituous roots on stem cuttings of Ipomoea fistula. Planta 105, 360–363 (1972)
Nanda, K.K., Purohit, A.N., Mehrotra, K.: Effect of sucrose, auxins and gibberellic acid on rooting of stem segments of Populus nigra under varying light conditions. Plant Cell Physiol. 9, 735–743 (1968)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Adhikari, U.K., Bajracharya, D. Interaction of gibberellic and indole-3-acetic acid on root formation in pea (Pisum sativum L.) epicotyl cuttings. Planta 143, 331–332 (1978). https://doi.org/10.1007/BF00392007
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00392007