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Shahi litchi cluster Photo: placeholder pending image-fill pass

Shahi litchi (Muzaffarpur GI)

Shahi (also spelt Shahee or Royal) is the principal commercial cultivar of litchi (Litchi chinensis) in India and is concentrated in the Muzaffarpur-East Champaran-Vaishali-Samastipur belt of north Bihar. Shahi Litchi of Muzaffarpur holds a Geographical Indication tag (GI No. 437, registered in 2018) covering a defined production area in north Bihar. The belt accounts for roughly 40% of national litchi production and supports the ICAR-National Research Centre on Litchi (NRC-Litchi) at Mushahari, Muzaffarpur, the country's mandate institute for the crop.

Key characteristics

  • Scientific name: Litchi chinensis (Sapindaceae).
  • Tree: medium to large, dome-shaped, evergreen; commercial bearing from year 6-7 on seedling, year 4-5 on air-layered.
  • Fruit: small to medium (18-22 g), conical-heart shaped; bright crimson-red rind at maturity with characteristic aroma; translucent white aril with 18-20 deg Brix and 0.4% acidity.
  • Maturity: early-season — the earliest commercial litchi in India; harvest window in north Bihar is roughly 15 May to 5 June, ahead of China and Bombai cultivars.
  • Yield: 80-100 kg per mature tree (year 12+); 6-8 t/ha at 10 m x 10 m spacing.

Cultivation

Shahi is propagated almost entirely by air layering (gootee), performed in June-July on the previous season's mature wood; layers are detached after 60-75 days and field-planted in the post-monsoon flush. Conventional spacing is 10 m x 10 m on the calcareous alluvial soils of north Bihar; high-density plantings at 8 m x 4 m with biennial canopy renewal are being trialled by NRC-Litchi. The crop is highly sensitive to soil moisture stress during fruit set and development; basin or drip irrigation through the dry March-May window is essential, with mulching of paddy straw or sugarcane trash to conserve soil moisture and moderate temperature. NRC-Litchi recommends 1.0 kg N + 500 g P + 500 g K per mature tree split into three doses around pre-flowering, fruit-set and post-harvest.

Pest and disease profile

The main pre-harvest constraints are litchi fruit-borer (Conopomorpha sinensis), litchi mite (Aceria litchii) that causes the characteristic velvety brown erinose galls on leaves, and bark-eating caterpillar. Litchi fruit cracking — splitting of the rind in the week before harvest — is the dominant abiotic loss and is triggered by sudden rain on a previously dry orchard; mulching, drip irrigation and 1% borax foliar spray at colour break reduce cracking. Anthracnose (Colletotrichum gloeosporioides) and red rust (Cephaleuros virescens) are minor diseases. Fruit fly (Fruit Fly Orchard Pest) damage on dropped fruit is significant at harvest.

Adoption and use

Shahi is consumed almost entirely as fresh fruit; the early maturity (mid-May) gives it a 3-4 week price premium over China and Bombai. Air-freighted exports to Gulf countries are organised through APEDA-registered exporters in Patna and Muzaffarpur. Litchi processing into canned pulp, juice and frozen aril is a small but growing share, served by units at Mushahari, Hajipur and Vaishali. The GI tag and a state-level Litchi Mission have organised producer companies in Muzaffarpur, Vaishali and Samastipur districts to access pre-cooling, controlled-temperature transport and pack-house grading.

See also: Guava Allahabad Safeda, Fruit Fly Orchard Pest, Mealybug Orchard Pest.

Sources

  1. Shahi Litchi Muzaffarpur — Geographical Indications Registry. Government of India.
  2. Litchi Cultivation. ICAR-National Research Centre on Litchi, Muzaffarpur.
  3. Litchi package of practices. ICAR-Indian Institute of Horticultural Research.