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Asoka / The Asoka Tree

Saraca asoca


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Description

General Information :

  • Sita Asoka is a medium-sized, evergreen tree
  • Leaves are alternate copper red when young and green when mature,
  • Bark dark green in color,
  • Fragrant flowers are orange to yellow in color.
  • Fruit is a four to eight seeded, flat and black colored, leathery pod.

Distribution :

  • Asoka is distributed throughout India, naturally frequent in South India,

Habitat : Grows wild on rich volcanic soils in lowland tropical rain forests.

Soil : Well drained organic soil sand along the stream.

Soil pH : 5.5-6

Altitude :Up to 720 m

Rainfall :700-1500mm

Temperature : 25-30ºC

Terrain : Plains

Tree Characteristics :
  • Shade bearer and coppice well

Habit : Evergreen Tree

Planting Guidelines

Natural Regeneration :

  • Naturally propagated by seeds

Artificial Regeneration :

  • Propagated mainly by Nursery raised seedlings.

Seed collection and Storage :

  • Seeds are collected between December and January.
  • Seed Rate 90 to 100/kg
  • Germination percentage of 90-95%.

Seed Treatment :

  • Cold water treatment for 12 hours

Nursery Technique :

  • The seedlings are raised in a nursery in March.
  • The seeds are sown in mother beds or polybags of 25 cm × 20 cm size.
  • The potting mixture consists of equal quantities of soil, sand, and FYM (farmyard manure). The seeds germinate in about 15 days

Plantation technique :

  • Pits of size 45 cm × 45 cm × 45 cm are prepared at a spacing of 3 m × 3 m. The pits are weathered and refilled with topsoil after mixing with 10 kg FYM per pit.

Care & Disease Control :

  • The crop is raised over high rainfall tracts.
  • During the months without rains, the seedlings require frequent irrigation.
  • Watering of grown-up trees is done by forming a ring channel aroundtrees base to hasten growth

Recommended Harvest :

  • 15 – 20 years

Yield :

  • One Tone of dry bark per ha.

Major uses :

  • It is grown as an avenue tree due to its foliage and fragrant flowers.
  • The bark is harvested for medicinal purpose.

Other uses :

Stem bark of Asoka tree is strongly astringent and a uterine sedative, uterine tonic, and styp-tic, having a stimulating effect on endometrial and ovarian tissue. The bark is also useful in dyspepsia, fever, and burn-ing sensation. It is also used to treat menorrhagia, leucorrhoea, internal bleeding, hemorrhoids, and hemorrhagic dysentery.

Market details :

  • Approximately Rs 30 to Rs.35 / kg.