Family

Mimosoideae

Common/Tamil Name

Usil, Unjal, Thurinji

Uses:

Fuel (Calorific Value)

Good fuel

Other Uses

The wood is used for building material, agricultural implements. The leaflets are dried, powdered and used for removing oil or greeze from hair, called arappu.

Seed Collection time

November – January

No. of Seeds per kg

15000

Viability

Upto 6 months.

Germination percentage

30%

Seed Treatment

Soak the seeds in boiled water and allow the contents to cool for 24 hours. Germination starts from 3rd day onwards.

Nursery Technique

Pre-treated seeds sown in the mother bed. Germination starts from 3rd day onwards. After pricking out in polythene bags, 6 months old seedlings perform well in the field.

Temperature

Dry Tropical

Altitude

Upto 600 Mts

Rainfall

800 to 1200 mm

Soil

Red gravelly, Red soil.

Coppicing ability

Moderate

Pest & Disease

The seeds of this species are attacked by pests while they are in the pod and subsequently in seed storage godown when the moisture percentage is more than 10%.

Seed Source

Locally collected

Special Features

Drought resistance, Not readily browsed.