EFFECT OF IBA ON ROOTED CUTTINGS OF IXORA AND ALLAMANDA

The study is a review article on Effect of Indole Butyric Acid (IBA) on rooted cuttings of Ixora and Allamanda.The experiment with Ixora was laid out in Factorial Completely Randomized Design with fifteen treatments and three replications.The treatments comprised three types of cuttings i.e., Softwood cuttings, Semi hardwood cuttings and Hardwood cuttings and five concentrations of IBA, 0 ppm, 1000 ppm, 2000 ppm, 3000 ppm, 4000 ppm.The results showed that Ixora cuttings treated with 2000ppm of IBA had shown significant positive effects on most of the root and shoot parameters including root length, number of roots per cutting, root fresh weight, root dry weight, shoot fresh and dry weight, leaf number and shoot length.Among the different cutting types, hardwood cuttings showed significant positive effect on growth and development of Ixora cuttings.The experiment with Allamanda by different types of stem cuttings, viz., softwood, semi hard wood and hard wood and five concentrations of IBA, 0 ppm, 1000 ppm, 2000ppm, 3000 ppm, 4000 ppm showed that Allamanda cuttings treated with 1000ppm of IBA had shown significant positive effects on most of the root and shoot parameters including root length, number of root per cutting, root fresh weight, root dry weight, shoot fresh and dry weight, leaf number and shoot length.Among the different cutting types, hardwood cuttings showed significant positive effect on growth and development of Allamanda cuttings.