Vol. 75 No: 5

Title:
Screening of genetic resources of the medicinal-vegetable plant Centella asiatica for herb and asiaticoside yields under shaded and full sunlight conditions

Authors:
SHALINI MATHUR, R.K. VERMA, M.M. GUPTA, M. RAM, S. SHARMA and SUSHIL KUMAR

pp: 551-554

Abstract:
Genetic resources of the medicinal and vegetable plant Centella asiatica, collected from different parts of India, were screened for their herb and asiaticoside yields under different levels of shading under sub-tropical field conditions of Indo-Gangetic plains at Lucknow in the winter (rabi) season. The 16 accessions studied were found to harbour wide differences in morphology and herb and asiaticoside yield-related characters. The herb and asiaticoside yields of accessions ranged from 470 to 2730 kg ha^-1 and 1.0 to 9.8 kg ha^-1 respectively. Considering all the accessions together, 50% shading of plants resulted in higher yields of herbage and asiaticoside. Thirteen out of the 16 accessions studied here had shading requirements for high yields of fresh and dry herb and asiaticoside. The accession CaShT, from Meghalaya, was identified as very high herbage and asiaticoside yielding but requiring a shading of about 50%. On the other hand accessions CaBp and CaCl from Orissa and West Bengal, respectively, gave high herb and asiaticoside yields under full light. It is concluded that triterpenoid saponin rich C. asiatica for high yields can be cultivated in the field under shade or full light by selecting the genotype adapted to the respective growth conditions.

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