Project No. : TN-04/2005-6
Year. : 2005-6
Project Title: Standardization of organic production protocol for Psyllium, Liqurice, Sarpagandha and Ocimum
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Principal Investigator & Organization : Dr. T. Arumugum, Horticulture Research Station, Tamil Nadu Agricultural University, Kodaikanal-624 103
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Summary of Project / Major Outcome /Achievements : For change in soil nutrient status as well as phenological and biochemical profiling of medicinal plants, the effect of organic manure viz., Farm Yard Manure (FYM), Vermicompost, Poultry compost, decomposed coir waste and their combination in different proportions; crop residue with bio-inoculants viz., Azospirillum, Phosphobacteria, VAM and combination; bio stimulants viz., Panchagavya, Vermiwash, leaf extracts of plants etc. and Bio-pesticides and bio fungicides viz., Neem cake, Pseudomonas, Spinosad, Bacillus thuringiensis etc. were studied for cultivation of medicinal plants. In the experiments, application of vermicompost and vermishwash revealed significant growth in plant performances and application of Pseudomonas fluorescens was found better for controlling the plant diseases.
Project No. : TN-10/2004-05
Year. : 2004-05
Project Title: Strategies to maximise the utilization of land and light in small and marginal coconut holding with the suitable medicinal herbs as intercrops
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Principal Investigator & Organization : Dr. V. Swaminathan, Deptt. of Hort., Tamil Nadu Agricultural University, Agricultiral college & Research Institute, Madurai – 625104
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Summary of Project / Major Outcome /Achievements : "In order to screen the suitable medicinal herbs for cultivation under coconut partial shade condition, an experiment has been conducted with four different medicinal plants viz., Aleo barbadensis, Andrographis paniculata, Ocimum Sanctum and Ocimum bascilicum. Among the three medicinal plants for which the herbage yields were recorded, Ocimum bascilicum recorded the highest herbage yield (65.4 g/ plant) followed by Ocimum sanctum (50.4 g/plant) and expressed in terms of dry matter production (DMP). The better performance of Ocimum bascilicum under coconut plantation might be due to the sustained increase in higher plant height, number of leaves, and number of branches, leaf area and chlorophyll content. In conclusion, Ocimum bascilicum was found to be a shade tolerant medicinal plant and best suited for coconut gardens as inter crops. Among the four medicinal plants, O. bascilicum registered the highest herbage yield. Growing this medicinal plant as intercrop in coconut plantations suppressed the weed populations. The beneficial allopathic effect of O. bascilicum is also revealed from the higher nut yield (108 nuts/year) of coconut in the succeeding year and responded well to the different levels of N, P and K. Application of NPK @ 90:40:40 kg/ha registered significantly the highest herbage yield of 9.05 t/ha. "
