Effect of Light intensity, Date of Planting and Mulching on Growth and Yield of Iruveli (Plectranthus vettiveroides)

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Year:
2020
Type of Publication:
Article
Keywords:
Black Polythene Mulch, Date of Planting, Iruveli, Light Intensity, Organic Mulch, Plectranthus Vettiveroides
Authors:
Sabika, K. P.; Sindhu, P. V.; Menon, M. V.
Journal:
IJRAS
Volume:
7
Number:
4
Pages:
206-211
Month:
July
ISSN:
2348-3997
Abstract:
In India, about 7500 species of medicinal plants are being used in different traditional systems of medicines like Ayurveda, Siddha, Unani, Homeopathy, folklore etc. In medicinal plant cultivation, both yield and quality are equally important, and therefore, it is necessary to identify optimum growth factors that can ensure high yield and quality. Plectranthus vettiveroides (K. C. Jacob) N. P. Singh and B. D. Sharma (Syn. Coleus vettiveroides) is an important herbaceous medicinal plant belonging to the family Lamiaceae, where the root is the major economic part. A field experiment was conducted to study the effect of light intensity, date of planting and mulching on yield and quality of Plectranthus vettiveroides commonly known as Iruveli. The treatments consisted of two shade levels (open and 50 per cent shade), four dates of planting (15th May, 15th June, 15th July and 15th August), and three mulching practices (no mulching, organic mulching with paddy straw and black polythene mulching). Greater plant height was observed under 50 % shaded condition, while more branching was in open condition. The biomass yield was influenced by different shade levels, planting dates and mulching. The highest biomass yield was obtained in open condition (10382 kg/ha), May planting (15694 kg/ha), and with black polythene mulching (16235 kg/ha).Higher root yield was obtained when planted on 15th May under open condition with black polythene mulching (4221 kg/ha). Essential oil content was higher when planting was done in May under open condition with black polythene mulching (2.35 %) which was on par with June planting with black polythene mulching under open condition (2.08 %).
Full text: IJRAS_883_FINAL.pdf

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