The present investigation was undertaken to study the effect of different concentrations of Indole 3-butyric acid (0, 2000, 4000, 8000 and 10000 ppm), different types of rooting media (i.e. sphagnum moss, coco peat, vermicompost, sphagnum moss + coco peat and sphagnum moss + coco peat + vermicompost) and the interaction of these in different combinations on rooting and growth characteristic of guava, cv. L-49. The results revealed that the exogenous application of Indole 3-butyric acid (IBA) 8000 ppm with media combination of sphagnum moss + coco peat + vermicompost (I3M5) significantly increased the root characters i.e. success percent of air-layers (83.3 %), callus formation (23.7), number of primary roots (24.21) and secondary roots (32.57); and growth characters i.e. number of leaves (48.17), branches (7.92) and sprouts (8.48) and survival percentages (83.18) over the other treatments and control. Among the rooting media, the combination of sphagnum moss + coco peat + vermicompost (M5) produced the highest rooting percentage (71.27), root characters and growth characters during months of July and August.
Air layering, Guava, Indole 3-butyric acid, Rooting media
Ahmed, R. (1964). Propagation of guava by aerial layering. W. Pakistan J. Agri. Res., 2: 62-74.
Bhagat, B.K., Jain, B.P., Singh, C. and Chowdhary, B.M. (1998). Propagation of guava (Psidium guajava L.) by ground layering. Journal of Research, Birsa Agricultural University, 10(2):209-210.
Chawla, W., Mehta, K. and Chauhan, Neena (2012). Influence of plant growth regulators on rooting of litchi (Litchi chinensis Sonn.) air layers, Asian J. Hort., 7(1): 160- 164.
Das, Ajay Kumar and Prasad, Birendra (2014). Effect of plant growth regulators on rooting survival of air layering in litchi. Adv. Res. J. Crop Improv. 5 (2): 126-130.
Gregary, F.G. and Samantarai (1950). Factors concerned in the rooting response of isolated leaves. J. Exp. Bot., 1: 159-163.
Kamath J.V., Nair Rahul, Ashok Kumar C.K., Mohana Lakshmi S. (2008). Psidium guajava L: A review, International Journal of Green Pharmacy, 2 (1): 9-12.
Kaundal, G.S., Gill, S.S. and Minhas, P.P. (1987). Budding techniques in clonal propagation of guava. Punjab Hort. J., 27: 208-11.
Kumar, K. and Syamal, M.M. (2005). Effect of etiolation and plant growth substances on rooting and survival of air layering of guava. Indian Journal of Horticulture, 62(3):290-292.
Kumar, S. (2011) Air layering in guava as influenced by growth regulators and azospirillum. M.Sc. (Agri.) Thesis, University of Agricultural Sciences, Dharwad, Bangalore, India.
Kuperberg, Joel. (1953). Rooting Guava (Psidium guajava c. supreme) Stem Cutting In a Hydroponic mist type plant propagator. Fla. State Hort. Soc. Proc.: 220-223: 1953.
Lal, S., Tiwari, J.P.,Awasthi, P. and Singh, G. (2007). Effect of IBA and NAA on rooting potential of stooled shoots of guava Psidium guajava L. cv. Sardar .Acta Horticulturae, 735: 193-196.
Manna, A. Mathew, B. and Ghosh, S.N. (2004). Air layering in guava cultivars. Journal of Inter academicia. 2: 278-281.
Maurya, R.K., Ray, N.R. Chavda, J.C., Chauhan, V.B. and Patil, A.K. (2012). Evaluation of different organic media and water holding materials with IBA on rooting and survival of air layering in guava (Psidium guajava L. cv. Allahabad Safeda). Asian Journal of Horticulture, 7(1): 44-47.
Nelson, R. O. (1954). Propagation of guavas by graftage. In Proc. Fla. State Hort. Soc (Vol. 67, p. 231).
Panse, V.G. and Sukhatme, P.V. (1978). Statistical Methods for Agricultural Workers. Indian Council of Agricultural Research, New Delhi. pp. 125-28.
Patel, R.K., Bose, U.S. and Tripathi, S.K. (1996). Effect of growth regulators and wrappers and success and survival of air- layering in guava cv. Allahabad Safeda. Crop Research. 12(1):56-60.
Patel, D.M., Nehete, D.S., Jadav, R.G. and Satodiya, B.N. (2012). Effect of PGR’s and rooting media on air layering of different pomegranate (Punica granatum L.) cultivars, Asian J. Hort., 7(1): 89-93
Rymbai, H. and Sathyanarayana Reddy, G. (2010a). Effect of IBA concentration on guava stooling and plantlets survival under open and poly house conditions. Indian Journal of Horticulture, 67: 443-446.
Rymbai, H. and Reddy, S. G. (2010b). Effect of IBA, time of layering and rooting media on air-layers and plantlets survival under different growing nursery conditions in Guava. Indian Journal of Horticulture, 67: 99-104.
Rymbai, H., Reddy, S.G. and Reddy, K.C.S. (2012). Effect of coco peat and sphagnum moss on guava air layers and plantlets survival under open and poly house nursery. Agricultural Science Digest, 32(3): 241-243.
Singh, M., Patel, Y.R. and Yadav. H.S. (1995). Success and survival of air layering as influenced by growth regulators and wrappers in guava (Psidium guajava L.). Advances in Plant Sciences, 8(1):183-188.
Singh, M. (2002). Response of plant growth regulators and wrappers on air-layering of guava (Psidium guajava L.). Advances in Plant Sciences, 15(1):153-157.
Singh, Gorakh, Gupta, Soni, Mishra, Rajneesh and Singh, G.P. (2005). Wedge grafting in guava – A novel vegetative propagation technique, Pub. CISH,
Lucknow, 12 p.
Singh, P., Chandrakar, J., Singh, A.K., Jain, V. and Agrawal, S. (2007). Effect on Rooting in Guava cv. L-49 through PGR and Organic Media under Chhattisgarh condition. Acta Horticulturae, 735: 197-200.
Tomar, K.S., Gurjar, B.S, Tomar, R.S.S. (1999). Response of different concentrations of IBA and NAA on root age and growth of air layers of guava (Psidium guajava L.) cultivar Gwalior-27. Advances in Plant Sciences, 2(12): 535-538.
Tyagi. S.K. and Patel. R.M. (2004). Growth regulators on rooting of air layering of guava (psidiumguajavaL.) cv. Sardar. The Orissa Journal of Horticulture,32(1):58-62.
Westwood, M. L, (1973). The role of growth regulators in rooting. Acta Horticulturae, 34: 89-92.
This work is licensed under Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)