Jack Fruit : Artocarpus heterophyllus Lam

Introduction
Nutritive Values
(per 100g edible portion)

	Ripe Fruit	Tender Fruit	Jak Seeds	Units
Energy	94.0	51.0	151.0	K cal
Protein	1.7	2.6	4.3	g
Fat	0.3	0.8	0.4	g
Carbohydrates	93.7	9.4	32.0	g
Calcium	27.00	30.0	35.0	mg
Phosphorus	0	40.0	126.0	mg
Iron	0.6	1.7	1.2	mg
Carotene	39.0	0	25.0	mg
Thiamine	0.09	50.0	180.0	mg
Riboflavin	0.11	40.0	50.0	mg
Vit. C	9.0	14.0	17.0	mg

Medicinal Values
Rich source of potassium, iron and energy; useful in blood disorders. Ripe fruit is a good source of carotene.

Major Growing Areas
Mostly wet zone, scattered in the Dry and intermediate zones

Nature of Cultivation
Naturally grown ; scattered cultivations and in home gardens

Recommended Varieties
Local selections Father long, Kothmale, Maharagama
Fatherlong
Kothmale
Maharagama

Harvesting & post-harvest technology
Value Added Products
Unripe fruit ; Polos preseve
Ripe fruit ; Cordial, fruit in syrup
Seed Dried, roasted, flour in confectionery

Harvesting & post-harvest technology
Value Added Products
Unripe fruit ; Polos preseve
Ripe fruit ; Cordial, fruit in syrup
Seed Dried, roasted, flour in confectionery

Economics & Marketing
Availability
March - May and November - January

Crop : Jack Fruit
Programme : Crop Improvment

Activity	Responsibility		Indicators	Time Frame
	Station	Officer
Collection, establishment and evaluation of germplasm.	HORDI	I.Medagoda		02 Yrs (2002-2004)
	Horana	L.L.Ranasingha	No.of varieties collected	02 Yrs (2002-2004)
	PGRC

Programme: Crop Managment

Activity	Responsibility		Indicators	Time Frame
	Station	Officer
Training of jack trees for commercial fruit production	HORDI	I.Medagoda		02 Yrs (2002-2004)
	Horana	L.L.Ranasingha	high density planting system with small trees	02 Yrs (2002-2004)
	PGRC

Crop protection and post harvest handling: Activities have not been identified