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Water melon

Water Melon : Cucumis melo

Introduction
Nutritive Values
(per 100g edible portion)

Energy

16.0 k cal

Protein

0.2 g

Fat

0.2 g

Carbohydrates

3.3 g

Calcium

11.0 mg

Phosphorus

12 .0

Iron

7.9 mg

Thiamine

20.0 ug

Riboflavin

40.0 ug

Vit.C

1.0 mg



Medicinal Values
Quenches thirst when eaten as fresh fruit.
Recommended Varieties
Thiliny
Type Open pollinated variety
Skin colour Dark green
Fruit size Medium (2.5-3.0 kg/fruit)
Days to 50% flowering 20-30 days after planting
Days to fruit set 25-35 days after planting

Field Establishment
Environmental Requirement
rain fed or supplementary irrigation. Performance of the crop is better under irrigation in yala seasons compared to maha seasons.
Crop Management
Agronomic and Cultural Practices
Seed requirement is 3 kg/ha. Three to four seed have to be planted in planting holes spaced at a distance of 100 x 50 cm and thinned out to get two plants per hill, ten days after planting. It is better to apply straw mulch in the cultivation. Irrigation has to terminate two weeks prior to harvesting.

Fertilizer requirement

Stage of the crop

Urea
(kg/ha)

TSP (kg/ha)

MOP
(kg/ha)

Basal

75

200

60

Two weeks after planting

75

-

60

Five weeks after planting

75

-

60


Pest and Disease
Pest:
Aulacaphora beetle, Leaf minor and Fruit fly are the major pest in melon.

Aulacaphora beetle
Adults feed on leaves and the larvae damage the stem and root system.

Leaf minor
It is not advisable to apply chemicals to control this pest. However if the pest damage severe apply Cyramaizine at the rate of 150 g/ha or Azadirachtin 400 ml/ha. Check for live mines in 6th to 12th leaves below the tip.

Diseases
Powdery and Downey mildew, are the major diseases in melon. The powdery mildew on leaves characterized by the appearance of tiny white to dirty gray spots on upper surface of the leaves while angular yellow coloured spots appears on lower surface of the leaves when infected by the Downey mildew. Maintained the field without host plant and cucurbitacea plants. Apply Captan Carbendazim or Thiophanate- methyl to control powdery mildew and apply Captan, Maneb or Propineb as per instructions by the manufacture to control downy mildew.

Harvesting & Post-harvest Technology
Harvest
Melon can be harvested 75-110 days after planting. Average yield is about 25-30 mt/ha. Melon has to be harvested at the correct stage of the fruit maturity. Dark green skin, yellow coloured spot where the fruits touches the ground and watery sound when tapping are the indicators of proper stage of maturity.

Value Added Products
In fruit salads; seeds boiled and salted as a snack

Economics & Marketing
Availability
May -June
Crop : Melon & Canterloup

Activity

Responsibility

Indicators

TimeFrame

Station

Officer

Collection and evaluation of germplasm

MI

Aralaganwila

S.G.Piyadasa

I.K.Warshamana.

Varities

08 Yrs
(2002-2010)
03 Yrs
(2002-2005)