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F1 Shirakawa

F1 Shirakawa

Crop Name Cucumber
Hybrid Name F1 Shirakawa
Segment White
Plant Habit Strong vigorous vines with dense foliage
Maturity Period 45–48 DAS
Characteristics • Smooth, creamy white and crispy fruits with slight green lines
• Fruit length: 16–18 cm & diameter 4–4.5 cm
• Uniform cylindrical shaped fruits
• Prolific bearer with slow seed maturity
Average Fruit Weight 200–220 g
Climate Cucumber requires an ideal temperature of 25–30°C.
Sowing Window All season: Summer, Rainy, Winter
Focused Market MH, KA, GJ, MP
Parameter Description
Scientific name Cucumis sativus
Hybrid F1 Shirakawa
Soil It can be sown in variety of soils ranging from sandy loam to heavy soil. But a loamy soil which is rich in organic matter and has well drainage system is best for cucumber farming. The pH ranging from 6-7 is suited best for cucumber farming.
Land Preparation For cucumber plantation, it requires well prepared and weed free field. To bring soil to fine tilth, 3-4 ploughings must be done before planting. FYM is mixed with soil to enrich the field.
Spacing 120*30 cm (stacking), 150*45 cm (Non-staking)
Climate Cucumber requires an ideal temperature of 25-30°C
Season All seasons: Rainy, Winter, Summer
Seed Rate 0.5-0.75 kg/ha
Fertilizers & Manures
Type Quantity Notes
FYM 20-25 t/ha
Nitrogen (N) 150 Kg/Ha Apply Azospirullim and Phosphobacteria – 2 Kg/Ha, Pseudomonus 6 Kg/Ha, Neem Cake – 250 Kg/Ha, Pongamia Cake – 500 Kg/Ha, Chloropyriphos -1 kg/Ha
Phosphorus (P₂O₅) 75 Kg/Ha
Potassium (K₂O) 75 Kg/Ha
Any special cases: No
Irrigation In summer season it requires frequent irrigation. Pre-irrigation is required before sowing then subsequent irrigation is required after 2-3 days of sowing. After second sowing, the crops are then irrigated at the interval of 4-5 days. Drip irrigation is very useful for this crop.
Weed Control Manual weeding
Any special crop practices Staking is required for high yields
Diseases
Name of the diseases Symptoms & management
Powdery mildew Characterized by a white, powdery growth on leaves and stems, potentially leading to yellowing, shriveling, and death of affected areas.
Control : Azoxystrobin 23% SC (1ml/L), Sulphur 80% WP (2g/L), Kerahane 48% EC (0.5ml/L)
Downy mildew Causes yellowish-brown irregular spots on leaves, spreading quickly and potentially leading to a gray fungus on the undersides of leaves.
Control : Cymoxanil 8% + Mancozeb 64% WP (2g/L), Fenamidone 10% + Mancozeb 50% (w/w)
Gummy stem blight Affects stems and can cause gummy or watery lesions, potentially leading to plant decline.
Control : Use disease free seeds, crop rotation, paste stem with COC 50% WP 3g/L
Alternaria leaf blight Causes dark, circular lesions with concentric rings on leaves.
Control : Carbendizim 12% + Mancozeb 3% WP (2g/L)
Pests
Name of the pests Symptoms & management
Cucumber beetles Can transmit bacterial wilt and cause feeding damage on leaves.
Control : Acephate 75% SP (1g/L)
Aphids Can transmit viral diseases like cucumber mosaic virus.
Control : Acephate 75% SP (1g/L)
Thrips It will suck the sap from the young leaves leading to leaf distortion.
Control : Fipronil 80% WG @ 0.3 gm/ltr, Thiacloprid 250 SC @ 2 ml/ltr
Fruit Fly Fruit fly causes devastating yield loss in cucumbers. Enter inside fruit causing gummy ooze exudation and disfigures fruit.
Manage: Delegate 1ml/L, Pheromone traps 25-30 traps/Ha
Harvesting Plants start yielding in about 45-48 days after sowing. Mainly 10-12 harvestings can be done. Harvesting is mainly done when the seed of cucumber is soft and the fruits are green and young.
Yield 45-50 t/ha
Parameter Description
Necking Due to improper pollination, poor management.
Control : Improve Honeybee/pollinator activity in the field. Use standard package of practices.
Hollow Heart This disorder appears as a cavity within the fruit, often affecting its texture and marketability.
Control : Avoid excess nitrogen and apply Multinutrient mix @ 12 Kg/Ha.
Fruit Cracking Cracks in the fruit can be caused by rapid changes in water uptake or stress.
Control : Proper irrigation management can resolve cracking.
Light Belly Color The under surface of the fruit remains light instead of turning dark green.
Control : Try to follow staking method of cultivation. Removing the lower leaves about 2 feet height will increase aeration and sunlight.

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