Course Content
Crop Production (Unit 6)
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Dryland Agronomy Unit 4
ASRB NET Agronomy
    Safflower (Carthamus tinctorius L.)
    1. Origin and History
    • Origin: Mediterranean region (Egypt, Middle East).
    • Cultivated since 2500 B.C. for dyes (Carthamin) and later for oil.
    • Introduced to India in ancient times; now an important Rabi oilseed crop.

     

    1. General Information
    • Family: Asteraceae (Compositae).
    • Oil content: 30–35%.
    • Protein: 18–20%.
    • Oil rich in linoleic acid (70–75%) → heart-friendly oil.
    • Duration: 120–150 days.
    • Grown mostly under rainfed conditions.

     

    1. Area, Production & Distribution (India, 2023)
    • Area: ~2.5 lakh ha.
    • Production: ~1.6 lakh tonnes.
    • States: Maharashtra (60% area) > Karnataka > Andhra Pradesh > Madhya Pradesh.
    • India contributes ~50% of world safflower area.

     

    1. Climatic Requirements
    • Cool, dry Rabi climate.
    • Temp: 18–26°C.
    • Rainfall: 300–500 mm (requires dry weather during flowering & maturity).
    • Drought tolerant, but sensitive to waterlogging.

     

    1. Soil
    • Suited to well-drained deep black cotton soils.
    • Also grows on loamy soils.
    • pH: 6.0–8.0.

     

    1. Varieties
    • Spiny types (high yielding): Bhima, Nira, JSI-7, A-1.
    • Non-spiny types: Manjira, Surya, Sharda, JSI-73.

     

    1. Agronomy
    • Season: Rabi (Oct–Nov).
    • Seed rate: 10–15 kg/ha.
    • Spacing: 45 × 20 cm.
    • Fertilizer: 40–60 kg N + 20–40 kg P₂O₅ + 20 kg S/ha.
    • Irrigation: Usually rainfed, but 1–2 irrigations (flowering & seed filling) improve yields.

     

    1. Weed Management
    • Critical stage: 20–40 DAS.
    • 2 hand weedings (20 & 40 DAS).
    • Pendimethalin @ 1.0 kg a.i./ha (PE) effective.

     

    1. Pests & Diseases
    • Pests: Safflower caterpillar (Perigea capensis), aphids.
    • Diseases: Alternaria blight, wilt, rust.

     

    1. Uses
    • Oil: edible, rich in PUFA (linoleic acid).
    • Flowers: source of natural dye (Carthamin).
    • Oilcake: cattle feed.

     

    1. Important MCQ Facts
    • Botanical name: Carthamus tinctorius.
    • Family: Asteraceae.
    • Origin: Mediterranean.
    • Oil: 30–35%, linoleic acid ~70–75%.
    • Seed rate: 10–15 kg/ha.
    • Major pest: Aphids.
    • Major disease: Alternaria blight.

     

     

    Niger (Guizotia abyssinica Cass.)
    1. Origin and History
    • Origin: Ethiopia (primary centre).
    • India is secondary centre of diversity.
    • Ancient oilseed of tribal regions.

     

    1. General Information
    • Family: Asteraceae (Compositae).
    • Oil content: 35–40%.
    • Protein: 20–22%.
    • Oil rich in linoleic acid (70%), similar to sunflower.
    • Duration: 90–100 days → short-duration crop.
    • Mostly grown under tribal, rainfed, low-input conditions.

     

    1. Area, Production & Distribution (India, 2023)
    • Area: ~2.5 lakh ha.
    • Production: ~1.2 lakh tonnes.
    • States: Madhya Pradesh, Odisha, Maharashtra, Chhattisgarh, Jharkhand.
    • India: largest producer of Niger seed globally.

     

    1. Climatic Requirements
    • Warm & humid climate.
    • Temperature: 18–30°C.
    • Rainfall: 1000–1200 mm (tolerates high rainfall better than most oilseeds).
    • Drought tolerant; also grows in tribal uplands.

     

    1. Soil
    • Best in well-drained light soils.
    • Suited for poor, degraded, acidic soils of tribal belts.
    • pH: 5.0–7.0.

     

    1. Varieties: GA-7, GA-10, Ootacamund-9, Indira Niger-1, JNC-6.

     

    1. Agronomy
    • Season: Kharif (June–July sowing).
    • Seed rate: 8–10 kg/ha.
    • Spacing: 30 × 10 cm.
    • Fertilizer: Low requirement → 20–30 kg N + 20–30 kg P₂O₅/ha.
    • Irrigation: Usually rainfed, needs no irrigation.

     

    1. Weed Management
    • Critical stage: 20–30 DAS.
    • 1–2 hand weedings sufficient.
    • Pendimethalin @ 1.0 kg a.i./ha (PE) effective.

     

    1. Pests & Diseases
    • Pests: Bihar hairy caterpillar, leaf roller.
    • Diseases: Powdery mildew, Alternaria blight, Cercospora leaf spot.

     

    1. Uses
    • Edible oil: good frying quality, light, easily digestible.
    • Oilcake: rich in protein, used in cattle & poultry feed.
    • Exported to USA & Europe (bird feed market).

     

    1. Important MCQ Facts
    • Botanical name: Guizotia abyssinica.
    • Family: Asteraceae.
    • Origin: Ethiopia.
    • Oil: 35–40%, linoleic acid ~70%.
    • Seed rate: 8–10 kg/ha.
    • Major pest: Bihar hairy caterpillar.
    • Major disease: Powdery mildew.
    • Special note: India = largest producer of Niger in the world.
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