In vivo Propagation of Simmondsia chinensis (Jojoba)
Simmondsia chinensis (jojoba) is a semi-hard wood perennial shrub grown on arid and semi-arid regions of the world. The stem cutting method is simple and efficient method for semi-hard wood plants to propagate vegetatively. The aim of this study was to investigate the best method of in vivo propagation through stem cutting of Simmondsia chinensis. The healthy branches of mature male and female plants were cut into 10 to 15 cm length having 4 to 5 nodes stem. The basal part of cuttings was dipped in the 500, 1000, 2000 and 3000 ppm of IBA (Indole-3-butyric acid) and NAA (2-Naphthalene acetic acid) respectively for one hour. After which the stem cuttings were planted in the polypots trays filled with rooting media contained perlite and vermiculite (1:1). Among all concentrations of both auxins (IBA and NAA), the highest rooting 68.9% in male stem cutting and 66.5% in female stem cutting were observed at 2000 ppm concentration of IBA. At this concentration, the maximum number 12.5 and 13.2 of roots in male and female cuttings were obtained respectively. Vegetatively, in vivo propagation method through stem cuttings of male and female plants of Simmondsia chinensis proves to be ideal solution for production of large scale plant materials at commercial level.
Department of Environmental Science, Maharshi Dayanand University, Rohtak, 124001 (Haryana), India.
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