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F1 White Crystal

F1 White Crystal

Crop Name Cauliflower
Hybrid Name F1 White Crystal
Segment Sub-tropical
Plant Habit Erect plant habit
Maturity Period 60–65 DAT
Characteristics • Dome-shaped white colored curds
• Highly compact curds with mid maturity
Average Curd Weight 800–1200 g
Climate The ideal temperature range for cauliflower growth is between 15°C and 25°C.
Sowing Window June–August
Focused Market North, East and West India

Parameter Description
Scientific Name Brassica oleracea var. capitata
Hybrid F1 White Crystal
Soil For early crop light soils are best whereas for late crop heavy soils are preferred. The optimum soil pH is 6 to 7.
Land Preparation Ploughing of land 2–3 times and make fine tilth.
Spacing 60 × 45 cm or 45 × 30 cm
Climate Cauliflower thrives under a cool, moist climate, particularly during the winter months in the plains. The ideal temperature range for cauliflower growth is between 15°C and 25°C.
Season Sub Tropical: June–August
Seed Rate 0.2 Kg/ha
Fertilizers & Manures
Type Quantity / Notes Additional Info
FYM 20–25 t/ha
Nitrogen (N) 180–200 Kg/ha Optimum levels of Nitrogen (Ammonium sulphate) especially during curd formation stage and P and K during seedling establishment is crucial.
Phosphorus (P₂O₅) 125–130 Kg/ha
Potassium (K₂O) 125–130 Kg/ha
Any special cases: No
Irrigation 3–4 days interval to maintain field capacity in winter and once in 7 days during rainy season.
Weed Control Manual weeding: 2–3 times.
Any Special Crop Practices
Diseases
Name of the Disease Symptoms & Management
Black Rot First signs of the disease often appear along the margins of leaves as chlorotic regions and the chlorosis progresses in the direction of the mid rib forming a V-shaped area. Symptoms may appear from any side and centre of the leaves. The bacteria are transmitted through seeds.
Control: Use of disease-free seeds, use of resistant hybrids. Spray Copper Oxy Chloride 50% WP + K Cycline (2.5g + 0.5g/L).
Leaf Blight Pin-sized black specks found on the leaf surface or stem. The specks enlarge concentrically, creating a distinct target spot or bull’s eye lesion with a yellow halo.
Control: Fluxapyroxad 250 G/L + Pyraclostrobin 250 G/L SC (0.3 ml/L).
Downy Mildew Small brownish spots on leaves; on lower surface whitish powdery mass observed during cloudy weather causing defoliation.
Spray: Fenamidone 10% + Mancozeb 505 WG (2.5g/L), Metiram 55% + Pyraclostrobin 5% WG (2g/L).
Pests
Name of the Pest Symptoms & Management
DBM DBM causes damage to leaves by making holes, causing severe damage.
Control: Chlorantraniliprole 18.5% SC (0.3 ml/L), Spinosad 45% SC (0.15 ml/L).
Loopers and Borers Voracious eaters on leaves.
Control: Chlorpyriphos 50% + Cypermethrin 5% w/w (2 ml/L), Emamectin Benzoate 5% SG (1 g/L).
Aphids Suck the sap from leaves causing leaf distortion.
Control: Acephate 20 SP% (1 g/L).
White Fly Suck the sap from leaves causing leaf distortion.
Control: Diafenthiuron 40.1% + Acetamiprid 3.9% WP @ 1.5 g/L.
Harvesting Harvesting is ready by 60–65 days after transplanting (DAT).
Yield 30–35 t/ha
Parameter Description
Riceyness It manifests in the elongation on peduncle wearing flower buds, rendering curds granular, loose and somewhat velvety. A premature initiation of floral bud is characterized by riceyness in cauliflower and is considered poor quality for marketing. Control: Cultivate appropriate varieties and follow proper season with recommended cultural practices.
Fuzziness It appears as the flower pedicels of velvety curds elongate. The anomaly is both hereditary and non-hereditary. Cultivation of cauliflower out of their normal season encourages fuzziness. Control: Sow good quality seed in the right season under proper cultural practices to minimize fuzziness.
Leafiness / Bracting Formation of small thin leaves from the curd reduces curd quality. Extremely small green leaves appear between curd segments due to inheritable or non-heritable factors. High temperatures during curding aggravate leafiness. Certain varieties are more sensitive to leafiness or bracketing. Control: Select varieties according to their adaptability.
Browning (Brown Rot or Red Rot) Caused by boron deficiency, influenced by soil pH. Young leaves become dark green and brittle; old leaves puckered, chlorotic, and often drop off. Control: Apply borax, sodium borate, or sodium tetraborate at 20 kg/ha as soil application. In acute deficiency, spray 0.25–0.50% borax solution at 1–2 kg/ha depending on growth, soil reaction, and deficiency extent.
Whiptail Caused by molybdenum deficiency, especially in highly acidic soils with high manganese. Young plants become chlorotic, white along leaf margins, cupped, and wither. Older leaves often consist of only midribs, giving the “whiptail” appearance. Control: Apply lime or dolomite to raise soil pH to ≥6.5. Sodium or ammonium molybdate at 1–2 kg/ha as soil application also controls whiptail.
Buttoning Development of small curds with inadequate foliage; premature heading. Leaves are too small to cover the head, resulting in non-marketable, malformed curds lacking color or compactness. Control: Use quality seedlings and proper cultural management practices.

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