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Nursery Technology for Cassia sp.

Presented by:M.SonaimuthuBSF-10-026

Introduction: Cassia is a genus of Fabaceae in the subfamily

Caesalpinioideae. Commonly called cassias, "cassia" is also the English name of Cinnamomum aromaticum in the Lauraceae.

Scientific classification: Kingdom: Plantae Order: Fabales Family: Fabaceae Subfamily: Caesalpinioideae

Some of species of Cassia sp. Cassia fistula Cassia siamea Cassia hybrida Cassia auriculata Cassia grandis Cassia marginata

Cassia fistula Family: Leguminoseae

(saesalpinioideae)

Common/Tamil Name: Indian Laburnum / Konnai, Sarakonnai

Seed Collection time: March – April

No. of Seeds per kg: 6000 / 7000

SEED COLLECTION FROM NATURAL SEED FALL

Distribution: A common and indigenous tree occurring throughout

India in deciduous forests. It is one of most wide spread of Indian trees, ascending up to 1200 mts. In Himalayas. The tree is scattered in mixed deciduous forests and occurs fairly frequently in soil forests.

Uses:firewood: The wood is heavy having a specific gravity of about 0.79

and is found to be a good firewood. Calorific value of wood is 6803 kcals/kg.

Other uses: The tree provides useful timber. the wood is heavy, more

or less straight grained and medium coarse textured. The bark of this species known as “Samari” is used as a

tenning material in a mixture with avaram bark. The tennin percentage varies from 10% to 12%. pods are

used in local medicine. Medicinal (Bark, fruit and leaves) Ornamental tree.

Technique:Nursery Technique: Sow the seeds in primary beds to a depth equal to the

thickness of seeds. They are sown in polybags containing a rooting medium prepared by mixing equal quantities of sand, red earth and manure. Germination starts from 3rd day onwards. Germination in mother bed is good. It will grow 6 feet height in 6 months in 30 x 45 cm bag.

Viability: Seed can be kept in ripe pods up to one year.

Germination percentage: 70%

Cont..,Seed Treatment: Soaking in cold water for 24 hours or the

seeds treated with hot water and sulphuric acid show success rate of 75% and 35% respectively.

Soil: All Type of soil.

Coppicing ability: Very Good.

Pest & Disease: Pod borer: feeds on fruits and pods leaf feeder causing

defoliation and fastening leaves together.

Seed Source: Local collection - Genetics Division.

Special Features: Bark is a tanning material. Non-brow sable.

TREE PARTS

Leaf Flower Fruit

Bark Fruit & Seed Seeds

TREE PARTS

Cassia siameaFamily: Leguminoseae

(saesalpinioideae)

Common/Tamil Name: Ponavarai, Manjkonnai, Sinnakonnai.

Seeds: The seeds of this species ripen in the

months of March-April and there are 35,200-37,400 seeds /kg.

Distribution: It is a native of South-East Asia and was introduced in

India as an avenue tree. It is distributed throughout the Western Peninsula and planted as an avenue and garden tree.

Uses..,Use as firewood: The wood of this species is dense with a specific gravity

of 0.6 to 0.8. It is make excellent fuel wood, though it burns with smoke. Calorific Value of wood is 4500 Kcal.per Kg

Other Uses: Fuel timber. Leaves and twigs are used as green manure.

Tree is ornamental with yellow flowers.

Technique:Nursery Technique: Treated seeds sown in mother bed starts to germinate after

15 days to 25 days. It will attain 8 feet height in six months in 30 x 45 cm size bags.

Viability: Seeds stores well up to one year.

Germination percentage: 90%

Seed Treatment: Keep in cool water for 24 hours.

Cont.., Temperature: Tropical

Altitude: 300 to 1000 Mt

Rainfall: 400 to 2000 mm

Soil: All types of soil

Coppicing ability: Good

Cont..,Pest & Disease: Pod borer: feeds on fruits and pods leaf feeder causing

defoliation and fastening leaves together.

Seed Source: Local collection

Special Features: Leaves and twigs are used as green manure. The tree is of

great use in afforesting hot arid areas. It is ungainly when old.

TREE PARTS

Leaf Fruit

SeedsPark Wood

Flower

Tree

Reference: http://agritech.tnau.ac.in/forestry/

forestry_nursery_cassia_fistula.html http://agritech.tnau.ac.in/forestry/

forestry_nursery_cassia_siamea.html Chaturvedi AN, Technology of Forest Nurseries. en.wikipedia.org/wiki/Cassia_fistula