Picrorhiza kurrooa, one of the important plant species among the various medicinal plants, is endemic to Himalaya. As the plant is useful in the treatment of various diseases, e.g., hepatic disorders, gastric troubles, anemia, asthma, etc., illegal collection from the wild is increasing and now this plant is banned for export in any form and listed as ‘endangered’. Ecological studies carried out on this species in last few decades suggested that the availability of this species in its specific habitats is comparatively lower than other associate species. Possible factors responsible for this depletion are increasing demand in the pharmaceutical industries, habitat specificity, heavy exploitation from the wild, unorganized cultivation practices etc. Biotechnology is playing a crucial role to conserve this important plant species. The past 23 years have witnessed a progressive biotechnological advances made in P. kurrooa. People have published various reports on establishments of in vitro culture techniques including micropropagation, synthetic seed production, plant regeneration via callus-mediated shoot organogenesis, adventitious shoot regeneration, genetic transformation through Agrobacterium rhizogenes, secondary metabolite analysis etc. This review attempts to focus on present ecological status and provide a comprehensive account on the tissue culture-mediated biotechnological interventions made in P. kurrooa for improvement and conservation of this medicinally important plant.
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