Medicinal Uses of Leonotis Nepetaefolia,Herbal Medicinal Plant,"Hejurchei","Granthiparni",Herbal Medicos



Leonotis Nepetaefolia  


Ayurvedic name Granthiparni
Hindi name Hejurchei
Trade name Barchi Buti
Parts used Whole plant

Therapeutic Uses
Flowers ash is applied to burns, in ringworm and other skin diseases. Leaves are used for rheumatism and act as spasmolytic, anticancerous, antidermatophytic and mild anthelmintic.

Leonotis Nevetaefolia


Morphological Characteristics
The plant is a tall and erect with height 1-2 meters. The stem is stout, obtusely quadrangular with thickened angles and deeply sulcate. Leaves are 5-15X3.5-10 cm, membranous, ovate, acute, coarsely crenate-serrate and finely pubescent on both sides and base shortly cuneate. Petioles are 2.5-10 cm long and winged in the upper part.  

Floral Characteristics
Flowers are orange-scarlet, in axillary, dense, globose and many floweres are in whorls. Fruits are oblong, ovoid or obovoid, dry angular, obtuse or truncate nutlets.  

Distribution
 Plant is originally native to tropical and subtropical Africa; it is now naturalized all over the world. In India it grows along road sides in abandoned fields and in disturbed areas in hotter parts.

Climate and Soil
The crop prefers warm temperature of more than 300C and well distributed rainfall of 1600-2000 mm. It also prefers sandy loam to loamy soil with sufficient humus content having pH of 4.6 to 6.5.

Propagation Material

Seeds.

Agro-technique 

Nursery Technique
Raising Propagules: The crop is raised through direct sowing of seeds in the field which gives best results. For one hectare of land 20kg seeds are required.  

Planting in the Field

Land Preparation and Fertilizer Application:  Generally one deep ploughing or disking, followed by 2-3 harrowing are sufficient for land preparation. Organic manure (FYM) @ 5 t/ha should be incorporated in the main field at the time of land preparation. Inorganic fertilizers should be applied @ 100: 80: 60 kg/ha of N:P2O5:K2O respectively. Half of N and doses of P2O5 and K2O should be applied as basal dose.  Remaining half of nitrogen should be top dressed in two splits at 60 days and 90 days after sowing.
 
Transplanting and Optimum Spacing:    In this region, June is the ideal time for sowing in the main field. Row to row distance of 30 cm and plant to plant distance 30 cm. should be maintained. Seed should be sown at 4-5 cm depth.

Intercultural and Maintenance Practices:  Two or three hand / manual weeding at 60 days, 90 days and 120 days after sowing should be carried out.

Irrigation Practices:  Grown as rainfed crop.

Weed Control:  Manual hand weeding. 

Disease and Pest Control:  The crop is free from any serious diseases and pests except leaf rust (Puccinia sps.) which can be controlled by spraying Hexaconazol (5% EC) @ 5 ml/l at monthly intervals. 


Harvest Management

Crop Maturity and Harvesting: Keeping in view the yield of active chemical ingredients, the best time for harvesting of leaves is November and that for whole plant is March. 
Post-harvest Management:   After harvesting the plant parts are dried in shade to bring down the moisture content to 15% and then it is cut into pieces and stored in gunny bags. 

Chemical Constituents:   Steam distillation of seeds yield 2% of volatile oil containing linoleic acid (11.9%), oleic acid (64.6%). The leaves yield a bitter principle, fatty oil 1%, a resin, resinic acid and ash 7%.

Yield and Cost of Cultivation:   A good crop yields around 27 t/ha of economic parts (whole plant).  Rs. 29,775/- is the estimated cost of cultivation for one hactare.


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