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Siris/Karu vagai

Albizia lebbeck


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Description

General Information :

  • Moderate to Large deciduous tree with a straight.
  • Bark dark grey in color with white color flowers.
  • Pods are pale straw colored large pods with 6-12 seeds per pod.

Distribution :

  • It is common Indian tree found all over the country.
  • At lower elevations, it grows wild in Tamil Nadu and Kerala.

Habitat : Tropical evergreen and dry deciduous forest.

Soil : Occurs in well drained loam,saline, alkaline, lateritic and black cotton soils.

Altitude :Up to 1500 m (MSL)

Rainfall :630-2600 mm

Temperature : 25°C to 45°C

Terrain : Plains/Hilly

Tree Characteristics :
  • Light demander, Frost tender, and sensitive to drought. 

Habit : Deciduous Tree

Planting Guidelines

Natural Regeneration :

Natural Regeneration:

  • Regenerates moderately under favorable conditions.
Artificial Regeneration:
  • Siris can be raised easily by direct sowing nursery seedlings and stump planting.
Seed Collection and Storage:
  • Pods are collected from the tree during January to March.
  • Seed weight 5000 to 12000/kg.
  • Seeds retain viability for one year.
  • Germination percentage is 65-90 percent.
  • Seeds can be stored for 4-5 years in sacks or polybags.
Seed Treatment:
  • Soaking in hot water for 24 hrs or soaking in cold water for 48 hrs increases germination percentage. 
Nursery Technique :
  • Sunken bed of size 10m x 1m is prepared.
  • The pre-treated seeds are sown in march by broadcast sowing, dibbling and line sowing.
  • Germination starts in 5 days and commences in 15 days.
  • Highest germination can be achieved by dibbling method.
  • Seedlings attain plantable size in 6 months.                                                                                                                                                                                               
 

Plantation technique :

  • Planting out is carried out during July in 30 cm3 pits,
  • Under dry conditions, pit size of 60 cm3 with a spacing of 3x3 m to 5m x 5m
  • Planting should be carried out after the commencement of monsoon

Care & Disease Control :

  • Plantation should be weed free with soil and water conservation measures.

Irrigation :

  • Requires watering in intial days, then once in fortnight will suffice.

Recommended Harvest :

  • 10-15 years

Yield :

  • Approximately 50 to 60 tones/ha*
*Subject to varry according to site factors.

Agro Forestory :

  • The species is commonly grown as a shade tree in pastures, tea, coffee and cardamom plantations, and along avenues.
  • It can be planted in exposed coastal situations and as quick-growing shelter for less hardy plants.

Major uses :

Wood: 

  • The timber is used for high class furniture’s, cabinet works, interior decoration, paneling.
  • It is suitable for building purposes, agricultural implements, tool handles, flooring, and paneling and railway carriages.
  • Leaves are good fodder for cattle

Other uses :

   

Market details :

  • Approximately Rs.3700 to Rs.4000/ton
  *Subject to change according to market demands