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SEED TECHNOLOGYIN
BOTTLE GOURD
By USMA
Assistan
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BOTTLE GOURD
Lagenaria sicerarea
Family Cucurbitaceae
2n = 22
Origin: India
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MEDICINAL BENEFITS
Fruit is rich in
Protein
Thiamin
Riboflavin
Vitamin C
Anti constipation
Cure cough
Cure Jaundice
Cure light blindness
Poisons Antidote
Faisalabad
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DIVERSITY
PEAR SHAPE LOKI R
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Short days and humid climate favors femaleness
CLIMATE
Warm season crop
Sensitive to frost and cold
Withstand 10-40oC
Sensitive to day length
18oC requires for seed germination
20-30oC for growth & development
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SOILAll types of soil with high amount of OM
Sandy to sandy loam is best
pH 5.7-6.7 (Slight acidic)
TIME OFSOWINGIn plain areas
Summer: Feb Mar
Kharif: Jun - Jul
Hilly areas: Mar - Jun
SEED RATE2 kg for one acre SEEDSOWINGBed size: 4 m 10 m
Both sides of bed
P-P: 50-60 cm
Seed soak in water over nig
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MANURINGFYM @ 15-20 t/ha 20 days before sowing
100:50:50 NPK Kg/Ha
IRRIGATIONMoisture stress during flowering reduce
fruit and seed yieldOver irrigation results fruit drop
As needed during rainy season
Summer Crop: 3-5 days
WEEDCONTROCultural practices
Chemical control
THINNIN2-3 true leaf stage
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ROGUEING
Rogueing can be done at 3 stagesEarly vegetative stage: Specific varietal characteristics
Before first flower open: Sepals, Petals, Color, Shape
After fruit setting: fruit shape and color
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HARVESTING
It takes 60-100 days after seed sowing
Mall formed fruits should be removed
Harvested at full maturity
Depends
Fruit attain maximum size
Fruit get dry
Peduncle become straw color
Rind become hard
Vines start drying
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SEED EXTRACTION
Wet seeds: Cucumber, Melons, Bitter Gourd
Dry seeds: Bottle Gourd
Place seed at cool dry place for 3-4 weeks
Seeds get separated from flesh naturally
While shaking sound of seeds inside can easily heard. Cut of the bottom and shake the seeds out.
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SEED YIELD
Average seed production ranges from 500-1000 kg/ha depending upon
Temperature 20-30 0C
Humidity > 80%
Pollinator
Cultivar
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SEED DRYING
Sun drying
Seed drier or dehydrator
SEED STORAGEMoisture should be 7 percent.
Cool and well ventilated room.
Rodenticides
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PLASTIC BAGS VS GUNNYBAGS
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INSECTS
Red Pumpkin Beetle:
Attack during cotyledon leaf stage
Fruit Fly:
Lay eggs at developing ovaries
Aphid
Suck leaf sap
Mites
Found under surface of leaf
DISEASES
Powdery Mildew
White fluffy powder
Downy Mildew:
Yellow angular spots
Mosaics
Soil borne, young cotyleaves start dropping