Coriander

https://agri.bot/crop-calendar/coriander

India is the world's largest producer, consumer and exporter of coriander (Coriandrum sativum), accounting for roughly 70 – 80% of global production from about 500,000 – 600,000 hectares and generating 700,000 – 900,000 tonnes of split-seed and whole-seed coriander per year. Rajasthan — anchored by the Ramganj Mandi APMC in Kota district (the single largest coriander trading hub in the world and the NCDEX physical-delivery centre for the Dhaniya futures contract) — and Madhya Pradesh together account for nearly 70% of national production, with Gujarat, Andhra Pradesh (Kurnool bold-seed belt), Karnataka and Tamil Nadu rounding out the footprint. Coriander is a short-duration (90 – 140 day) Rabi seed-spice grown on light to medium well-drained soils; both the leaf (dhania patta / kothamalli) and the dry seed are commercially important, and the seed is used whole or as a split for curry masalas and in the pharmaceutical and essential-oil trade. ICAR–NRCSS Ajmer is the nodal research institute under the AICRP on Spices and the Spices Board of India, Kochi is the statutory export-promotion body.

Twelve-month operations

Fertilizer schedule

A low-input seed-spice. ICAR-NRCSS Ajmer and Spices Board of India package of practices recommend approximately 40 kg N + 30 kg P₂O₅ + 20 kg K₂O per hectare for the irrigated grain crop (reduced to ~20-20-10 on rainfed Rajasthan / Gujarat blocks) — full P and K and half the nitrogen as basal at sowing, and the remaining nitrogen top-dressed at the first irrigation (~30 DAS). An additional 10 kg S/ha as gypsum on the sandy loams of Rajasthan and Gujarat improves essential-oil content and seed quality. Avoid excess nitrogen: it delays maturity, promotes lodging and sharply raises the risk of powdery mildew and stem-gall.

Pest & disease management

Powdery mildew (Erysiphe polygoni) is the single most damaging disease, favoured by cool cloudy weather and dense canopies at flowering; manage with wettable sulphur (0.2%) or dinocap sprays and tolerant varieties (RCr-446, RCr-480, GCo-2). Stem gall (Protomyces macrosporus) causes malformed swellings on stems and umbels on Rajasthan and MP irrigated blocks — control with hot-water seed treatment (52 °C for 10 min), carbendazim seed dressing (2 g/kg) and resistant varieties (RCr-20, RCr-41). Aphids (Hyadaphis coriandri) at flowering stage transmit viruses and reduce yield — need-based imidacloprid or dimethoate sprays after honeybee foraging hours. Fusarium wilt (F. oxysporum f.sp. corianderii) is a minor but spreading problem on continuous-coriander plots — manage with a 3 – 4 year rotation, Trichoderma viride seed treatment (4 – 8 g/kg) and summer deep ploughing.

Irrigation

Coriander needs 4 – 6 light irrigations in total for a grain crop. A pre-sowing irrigation is standard, followed by irrigations at ~30 DAS (branching), ~55 – 60 DAS (flowering, the most critical stage — water stress here halves yield), ~75 – 80 DAS (grain fill) and one or two more as needed. Avoid heavy irrigation or standing water at flowering under cloudy weather — this directly triggers powdery mildew and stem-gall outbreaks. Rainfed Rajasthan and Gujarat blocks on residual soil moisture give yields of 400 – 600 kg/ha; irrigated MP, Rajasthan Hadoti (Kota, Baran, Jhalawar) and AP Kurnool blocks give 1,000 – 1,500 kg/ha of grain.

Sources

• ICAR-NRCSS — National Research Centre on Seed Spices, Ajmer
• Spices Board of India — Coriander
• APEDA Agri Exchange — Coriander seed export statistics
• NCDEX — Dhaniya (Coriander) futures contract specifications
• FAO — Spices and herbs (Coriandrum sativum)

Frequently asked questions

Why is Ramganj Mandi in Kota the national benchmark for coriander trade?

Ramganj Mandi, a tehsil town in Kota district of Rajasthan, hosts the Agricultural Produce Market Committee (APMC) that handles the single largest volume of coriander traded anywhere in India — routinely 25,000 – 50,000 bags on peak arrival days in Mar – Apr and over 2 lakh tonnes a year. The dominance grew from three factors: the Hadoti belt (Kota, Baran, Bundi, Jhalawar) is India's single largest irrigated-coriander cluster, growing predominantly the eagle-grade (hariyali) bold-seed types prized by domestic masala brands; Ramganj Mandi sits on the Kota – Jhalawar – Nagpur rail corridor that connects it to Delhi, Mumbai and South India wholesale markets; and the mandi developed a specialised dhaniya-grading, cleaning, bagging and warehousing ecosystem over the past five decades. NCDEX Dhaniya futures are physically delivered through Ramganj Mandi–area warehouses, which is why Ramganj Mandi spot prices function as the national benchmark used in Spices Board price reports and APEDA Agri Exchange data.

Which coriander varieties are grown commercially in India?

The public-sector breeding programmes are coordinated by ICAR-NRCSS Ajmer under the AICRP on Spices, with contributing centres at Rajasthan Agricultural University (Jodhpur / Jobner), Sardarkrushinagar Dantiwada Agricultural University (SDAU) Gujarat, Jawaharlal Nehru Krishi Vishwa Vidyalaya (JNKVV) MP, Acharya N. G. Ranga Agricultural University (ANGRAU) AP and Tamil Nadu Agricultural University (TNAU). The Rajasthan RCr series (RCr-20, RCr-41, RCr-435, RCr-446, RCr-480, RCr-684) dominates the irrigated Hadoti and Jodhpur-Nagaur belts, with RCr-446 and RCr-480 widely sown for stem-gall tolerance and bold-seed grades. The Gujarat GCo series (GCo-1, GCo-2) is dominant on Jamnagar, Rajkot and Junagadh blocks. The MP crop uses JD-1, Hisar Anand (CS-287), Rajendra Swathi (BR Agricultural University), Pant Haritima and Pant Haritima-2 (Pantnagar). Tamil Nadu plants Co-1, Co-2, Co-3 and Co-4 (TNAU) for the kothamalli leaf-coriander market, with APAU Suguna preferred in Andhra Pradesh. All released varieties are notified under the Seeds Act and seed is available through state seed corporations, National Seeds Corporation (NSC) and the Spices Board-supported cluster seed-production programme.

What makes Indian coriander distinctive in export markets?

India exports 40,000 – 70,000 tonnes of coriander a year to Malaysia, UAE, UK, Saudi Arabia, Sri Lanka, Singapore and the US — but Indian coriander competes in an atypical seed-spice export market because it is bulky, low-unit-value (compared to cumin, cardamom or black pepper) and heavily consumed domestically, so India exports only about 5 – 8% of production. What differentiates Indian coriander on the global market are three attributes: the eagle-grade bold-seed types (6 – 8 mm) from the Hadoti belt (Kota, Baran, Jhalawar) that command premium pricing against the smaller Russian / Ukrainian / Eastern European seed; the parrot-green hariyali colour of the Rajasthan and MP crop (prized in masala and curry-powder blending); and the high essential-oil content (0.3 – 1.0% linalool-dominant volatile oil) of the Rajasthan RCr-series and Gujarat GCo-series varieties, used by the pharmaceutical, flavour-and-fragrance and ayurvedic trades. Coriander is a scheduled spice under the Spices Board of India, so every commercial exporter must hold a Spices Board exporter registration (CRES) in addition to the DGFT-issued Import Export Code; the Spices Board certifies quality under its Spice House Certificate programme, with APEDA Agri Exchange tracking the HS-code 09092120 / 09092220 shipments.

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