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Callus cultures were initiated from axillary leaves, axillary shoots, hypocotyls, and root segments on Murashige and Skoog (MS) (1962) medium supplemented with 2,4-D (2 mg l−1) and KN (0.2 mg l−1). Shoots differentiated best from axillary shoot base callus on MS medium containing BA (2 mg l−1). Regenerated shoots rooted best on MS medium containing IBA (2(More)
Callus induction was observed from hypocotyl, root, and cotyledonary leaf segments, grown on Murashige and Skoog (MS) medium supplemented with various concentrations and combinations of 2,4-dichlorophenoxyacetic acid (2,4-D) and kinetin (KN). Maximum callusing (100%) was obtained from root and cotyledonary leaf segments grown on MS medium supplemented with(More)
The methanol, hexane and diethyl ether extracts from both leaves and roots of Withania somnifera were evaluated for the antibacterial/synergistic activity by agar plate disc-diffusion assay against Salmonella typhimurium and Escherichia coli. Different concentrations of Tibrim, a combination of rifampicin and isoniazid, were tested to find out the minimum(More)
The aim of present investigation was to study the effect of storage conditions on percentage germination of encapsulated and non-encapsulated somatic embryos of Kinnow mandarin (Citrus nobilis Lour × C. deliciosa Tenora). Different batches of encapsulated and non-encapsulated embryos were preserved at room temperature, 4°C, in liquid nitrogen as such and by(More)
Indian citrus ringspot virus (ICRSV) is known to cause serious disease problem in Kinnow (Citrus nobilis Lour × C. deliciosa Tenora) plants. This work reports the elimination of ICRSV by using thermotherapy coupled with shoot tip grafting in vitro. Nodal segments from infected mother plants (indexed by indirect ELISA and RT-PCR) were treated both in water(More)
We have undertaken the studies to investigate the presence of various activities of the leaf extract of Ashwagandha (Lash), a commonly used shrub in Indian traditional medicine, Ayurveda. In the present study, we studied the effect of Lash against MNNG-induced genotoxicity in onion root tip cells. We report that Lash offered substantial protection against(More)
Production of Indian citrus ringspot virus (ICRSV)-free plants from an infected plant of kinnow mandarin (Citrus nobilis Lour × C. deliciosa Tenora) is reported. The shoot apices of different sizes (0.2–1.0 mm) excised from the ICRSV-infected plant were micrografted onto decapitated rootstock seedlings of rough lemon (C. jambhiri). Micrograft survival(More)
Withania somnifera (Ashwagandha) is used in Indian traditional medicine, Ayurveda and is believed to have a variety of health promoting effects. Molecular mechanisms and pathways underlying these effects have not been studied. We tried to characterize various activities of leaf extract of Ashwagandha (Lash) raised in the field and in the laboratory. We(More)
A rapid and highly-effective method for micropropagation from nodal segment and shoot tip explants was established for Coleus blumei Benth. Nodal segments and shoot tips were inoculated on MS medium containing 0.7 % agar, 3 % commercial sugar, and different combinations of 6-benzyladenine (BA) with indole-3-acetic acid (IAA), indole-3-butyric acid (IBA) or(More)