Abstract
Kalmegh (Andrographis paniculata Nees.) is widely used as a medicinal herb in India and South-East Asian countries for treatment of liver disorder, bowel complaints, malaria, hypertension etc. Field experiments were conducted at CSIR-CIMAP, Research Centre, Bangalore, India to study the effect of doses of nitrogen (N) (0, 50, 100 and 150 kg ha−1) and potash (K) (0, 41 and 82 kg ha−1) on growth, biomass yield, nutrient uptake and diterpenoid lactones production. The results clearly revealed that application of 100 kg N ha−1 and 82 kg K ha−1 produced significantly higher herbage/biomass yield (6.1 t ha−1) as compared to control (1.42 t ha−1). The similar trends were observed in N and K uptake pattern. The application of 100 kg N ha−1 and 82 kg K ha−1 significantly increased the production of andrographolide (33.24 kg ha−1) and neo-andrographolide (12.31 kg ha−1) yield over control (16.02 and 4.06 kg ha−1, respectively).
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More From: Medicinal Plants - International Journal of Phytomedicines and Related Industries
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