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Mangosteen - Garcinia mangostana

Introduction
Nutritive Values
(per 100g edible portion)

Energy	60.0 k cal
Protein	0.5 g
Fat	0.1 g
Carbohydrates	14.3 g
Calcium	10.0 mg
Phosphorus	20.0 mg
Iron	0.2 mg

Medicinal Values / Uses
Useful in Diabetes mellitus. Pulverized rind as an astringent in dysentery and chronic diarrhoea.

Major Growing Areas
Kaluthara, Kegalle, Kandy, Matale, Galle, Colombo, Gampaha .

Recommended Varieties
No standard varieties due to its parthenocarpic nature. However, a slight variation was observed among cultivars.

 

Field Establishment
Propagation
Vegetatively     Wedge grafting
Cleft grafting
Inarching

Ecological requirements

Annual rainfall	1500 - 2000 mm
Temperature	25o - 35oC
Relative humidity	Over 80 %
Elevation	Upto 610 m above sea level
	Growing Districts (LCWZ & MCWZ)   -Kalutara - Ratnapura - Gampaha - Galle - Colombo - Kegalle - Kandy

 

Soils

A water table of 2m from the soil surface. (especially suited for planting closer to water resources)

Grown in almost all types of soils with good drainage and organic matter
Size of planting hole 60 cm x 60 cm
Spacing 6m x 6m - Seedling
3m x 3m - grafts

Crop Management

Shading	Necessary to provide 1st 2 yrs of growth and thereafter shading and mulching during dry spells to avoid leaf scorch.
Irrigation weed control	During 1st 5 yrs in droughts only during 1st 5 yrs of growth.
Fertilizer	N:P2OJ:K2O 12:14:14 mixture as recommended by DOA.
Insect pest	Scales Leaf eaters
Gamboge disorder	Secretion of yellow colour latex on to the edible portion of the fruit known as gamboge disorder is one of the major draw backs in mangosteen. Such fruits become inedible with bitter taste. Some times latex exudates onto the fruit surface, affecting the appearance and marketability. Causes for the disorder is not certain. Nutritional imbalance and sudden changes of moisture content may be the reasons.

 

Harvesting & Post-harvest Technology

Fruiting       Commences    8-10 yrs- Seedling -No. of fruits/year500-1500/tree (30-50 yrs old)
4 - 5 yrs Graft - 15 - 30 fruits/tree/yr- 15 yrs old

Fruiting seasons
LCWZ - May -July
MCWZ - July - September

Harvesting

Economics & Marketing
Availability
May - September

 

Crop: Mangosteen
Program: Crop Improvment (Activities have not been identified)

Program: Crop Mamagment

Activity	Responsibility		Indicators	TimeFrame
	Station	Officer
Growth promotion of seeding	Horana	M.K.Thanthirige (RO)		05 Yrs (2002-2007)
Rootstock studies for enarchhing	Horana	''		05 Yrs (2002-2007)
Plant density studies	Horana	''		05 Yrs (2002-2007)
Management of gamboge disorder	Horana	M.K.Thanthirige & J.D.Weerasooriya		05 Yrs (2002-2007)
Control of translussion segments in fruits	Horana	''		05 Yrs (2002-2007)
Control of latex through machanical methods	Homagama	M.K.Thanthirige & W.G.S.Perera	Devt of methodology	03 Yrs (2002-2005)

Program: Crop Protection

Activity	Responsibility		Indicators	TimeFrame
	Station	Officer
Control of thread blight	Horana	P.W.Alahakoon