Abstract
Abstract This study investiges the rooting ability and the growth performance of lower and upper shoot positions and type of the cuttings, i.e. soft and hard wood and leafy and non leafy, of Tecoma stans (L.) Kunth. The cuttings were collected from 4-year old plants growing in the Chauras Campus of H.N.B. Garhwal University Srinagar Garhwal, Uttarakhand, India. The rooting ability of cuttings was studied under the treatments of indole-3-butyric acid (IBA) and Indole 3-acidic acid (IAA) under 0.0%, 0.3%, 0.4%, 0.5% concentration in both hormones. The rooting response was significantly (p < 0.05) better in 0.4% IBA compared to other treatments and control (0% IBA and IAA). The ratio of number of roots to rooted cuttings and length of root to rooted cuttings in the different treatments showed significant differences (p < 0.05). The rooted cuttings were further transferred, into the polythene bags and shifted to open nursery conditions. Under such conditions, the rooted cuttings treated with 0.4% and 0.5% IBA demonstrated the highest (90% to 100%) survival capacity in the lower portion soft wood and leafy stem cuttings. Plantable plant and plant height was greater in the 0.4% IBA concentration treatment. The results of the study suggest that rooting of soft wood stem cuttings having lower position and leaves could be an effective mean of regenerating to T. stans. Furthermore, the application of 0.4% IBA concentration treatment is appropriate for rooting of juvenile leafy stem cuttings in a mist chamber.
Highlights
The rooting ability of cuttings was studied under the treatments of indole-3-butyric acid (IBA) and Indole 3-acidic acid (IAA) under 0.0%, 0.3%, 0.4%, 0.5% concentration in both hormones
The lower cuttings resulted in 95% rooting and 100% sprouting at 0.4% IBA treatment
Twenty and thirty percent rooting was recorded in the control set in the upper and basal portion cuttings, respectively indicating that the lower portion cuttings produce more roots compared to the upper portion cuttings in this experiments
Summary
Kunth (Bignoniaceae) is a shrub in the trumpet vine. The English name of Tecoma stans is yellow bells, yellow elder, trumpet flower and in Hindi it is known as Piliya. It bears funnel shaped, bright yellow flowers in terminal racemes or panicles. Bright yellow flowers in terminal racemes or panicles It trained over arches or espaliered against a wall. The species is native to America and Antilles and introduced as an ornamental plant in different tropical country of the world. T. stans has shown medicinal properties against the antitumor, antioxidant, antimicrobial, hypoglycemic free radical anti-inflammatory and antidiabetic (Verma, 2016)
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