Effect of Cutting Type and IBA on Rooting and Growth of Citron (Citrus medica L)

Abstract

This study was conducted during 2012 and 2013 season to investigate the effect of IBA on rooting of citron stem cuttings (Citrus medica Linnaeus) Corsian cultivar. The cutting referred to the location from which it was taken (tip, medial and bottom). Cuttings were taken and exposed to different IBA doses (0, 500, 1000, 2000 ppm).They were planted in greenhouse in mixed media (1 part peat moss + 2 parts sand) to increase rooting success percentage in the stem cuttings of (Citrus medica Linnaeus) Corsian cultivar , improving their vegetative growth, and  investigate the response of stem cuttings of citron to Auxin IBA concentrations.                                                                                                                                    The results indicated that the type of cuttings were different in rooting capacity, shoot length  content. Also increase the concentrations of IBA increased rooting percentage, shoot diameter, number of leaves, length of roots and leaves relative chlorophyll content, significantly form compared with control treatment under level 5%. The result indicated that the medial cutting parts with 500 and 1000 ppm perform better in terms of root percentage(100%),and medial type cutting with500 IBA ppm in length of shoots(23.08 cm), shoot diameter(16.33 mm) , number of leaves (16.44 leaves plant), length of roots(17.92cm).