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F1 Green Samurai

F1 Green Samurai

Crop Name Broccoli
Hybrid Name F1 Green Samurai
Segment Calebrese
Plant Habit Erect
Maturity Period 55–60 DAT
Characteristics • Dome-shaped bluish-green curd with good compactness
• Small to medium-sized beads
• Heat-tolerant hybrid
Average Curd Weight 350–400 g
Climate It is a cool-season crop. Average temperature requirement is 10–25°C.
Sowing Window June–Aug, Sep–Nov, Feb–April
Focused Market All India

Parameter Description
Scientific Name Brassica oleraceae var. italica
Hybrid F1 Green Samurai
Soil Well-drained red loamy soils with a pH range of 6.5 to 7.
Land Preparation Plough the land 2–3 times, crush the clods with rotavator, and prepare fine beds.
Spacing 60 × 45 cm
Climate It is a cool-season crop but sensitive to both low and high temperatures. Optimum temperature range: 10–25°C.
Season
Winter Sowing: Sep–Nov
Harvest: Dec–Feb
Summer Sowing: Feb–Apr
Harvest: May–Jun
Rainy Sowing: Jun–Aug
Harvest: Sep–Oct
Seed Rate 0.20 kg/ha or 30,000 seedlings/ha.
Fertilizers & Manures
Type Quantity Notes
FYM 20–25 t/ha Incorporate 3 days before planting.
Apply 25 kg Borax/ha and 25 kg/ha micronutrient mixture.
Method of application: Band placement.

Top dressing:
20 DAT – Calcium Nitrate 50 kg/ha
30 DAT – Potassium Nitrate 50 kg/ha
30–35 DAT – Boron 1.5 g/L (foliar spray)
Nitrogen (N) 100–150 kg/ha
Phosphorus (P₂O₅) 60–80 kg/ha
Potassium (K₂O) 100 kg/ha
Any Special Cases No
Irrigation Maintain soil moisture at field capacity.
Summer: Irrigate every 2–3 days.
Rainy & Rabi: Irrigate every 4–5 days.
Method: Furrow or drip irrigation (avoid sprinkler irrigation).
Weed Control Manual weeding 2–3 times during the crop cycle.
Special Crop Practices Removal of side shoots at 30-40 days after transplanting. Removal of lower leaves touching the ground to maintain stem/stalk length and avoiding foliar disease.
Diseases
Disease Symptoms & Management
Pin Rot Fungal Spots on leaves looks target board appearance, at high rain fall infection spread to curd cause pin rot and completing rotting of curds.
Control: Fluxapyroxad 250 G/L + Pyraclostrobin 250 G/L SC (0.3 ml/L).
Soft Rot Its bacterial disease characterised by rotting of curds at excess moisture.
Control: Avoid waterlogging; spray Copper Oxychloride 50% WP + K-Cycline (2.5 g + 0.5 g/L).
Black Rot Its bacterial disease characterised by yellowish spots on leaf margin looks V shape , gradually spreads cause burning of leaves.
Control: Copper Oxychloride 50% WP + K-Cycline (2.5 g + 0.5 g/L).
Downy Mildew Small brownish spots on leaves, on lower surface whitish powdery mass observed at cloudy weather, cause defoliation
Spray: Fenamidone 10% + Mancozeb 50% WG (2.5 g/L) or Metiram 55% + Pyraclostrobin 5% WG (2 g/L).
Pests
Pest Symptoms & Management
DBM (Diamondback Moth) DBM causes damages to leaves by making wholes on leaves cause severe damage
Control: Chlorantraniliprole 18.5% SC (0.3 ml/L) or Spinosad 45% SC (0.15 ml/L).
Loopers Veracious eaters on leaf
Control: Chlorpyrifos 50% + Cypermethrin 5% w/w (2 ml/L) or Emamectin Benzoate 5% SG (1 g/L).
Aphids Suck the sap from leaves cause leaf distortion.
Control: Acephate 20% SP (1 g/L).
Harvesting Harvesting starts from 55- 60 days after transplanting. Average curd weight at the time of harvest is 350-400 g
Yield 10–12 t/ha
Parameter Description
Zoning Alternate dark and light colour rings are formed on the beet root. Zoning occurs due to high temperature or irregular supply of moisture.
Anthocyanin Pigmentation in green broccoli disfigures the curd due to high temperature.
Controlled by tolerant hybrids.
Bracting Unwanted leafy growth on curds within broccoli due to high temperature and low moisture.
Controlled by tolerant hybrids.
Hollow Stem Presence of cavities within the stem of broccoli.
Controlled by avoiding excess irrigation and nitrogenous fertilizer. Apply boron @ 25 kg/ha.
Cat Eye Some of the florets on the curd prematurely break into yellow or green flower buds, resulting in curds with uneven bead size and colour.
Cat’s eye occurs due to fluctuation of temperature and irrigation.
Controlled by avoiding excess irrigation.
Brown Beads Brown, small, undeveloped flower buds or “beads” on the broccoli head due to high temperature, excess moisture, and calcium deficiency.
Controlled by avoiding excess irrigation. Apply Calcium Nitrate (CN) @ 50 kg/ha.

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