JACK FRUIT: Artocarpus heterophyllus Lam
 
Introduction
Present status/ nutritive value
Recommended varieties
Nursery management
Field establishment
Climate and soil/ land preparation/ spacing/ time of planting/ seeding or planting
Crop management
Weed control/ fertilizer application/ irrigation/ pest control/ disease control
Harvesting & post-harvest technology
Harvesting/ post-harvest handling/ food processing
Economics & marketing
Extent & production/ labour requirement/ cost of production/ marketing
Research Programme
Printed Materials in pdf format
Abstracts of research papers


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Introduction

Nutritive Values
(per 100g edible portion)  
 
Ripe
Tender
Jak
Units 
 
Fruit
Fruit
seeds 
Energy 94.0 51.0 151.0 k cal
Protein 1.7 2.6 4.3
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

Economics & Marketing

Availability
March - May and November - January


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