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Jackfruit (Kathal)All seasonsGrafted plant (improved variety)Updated 6 September 2026

Singapore Jack (NS-1)

A widely planted early-bearing, relatively compact grafted type valued for coming into production sooner than most local seedling trees, with medium-sized fruit and firm, crisp bulbs.

SeasonAll seasons
Maturity periodFirst fruit ~3–4 years (grafted)
Expected yieldGood, regular bearer
Suitable soilAll soils

Quick facts

Crop
Jackfruit (Kathal)
Type
Grafted plant (improved variety)
Season
All seasons
Maturity period
First fruit ~3–4 years (grafted)
Expected yield
Good, regular bearer
Suitable soil
All soils

About this variety

Singapore Jack (also sold as NS-1) is one of the most commonly available grafted jackfruit types at nurseries across India, valued for coming into bearing sooner than most seedling trees and for staying a relatively compact, manageable size. It gives medium-sized fruit with firm, crisp bulbs, and its wide availability and consistent early-bearing habit make it a common default choice for both homestead and commercial grafted plantings across many states.

Key characteristics

    Plant typeGrafted plant (improved variety)
    MaturityFirst fruit ~3–4 years (grafted)
    Yield potentialGood, regular bearer
    Disease resistanceNo special resistance widely documented
    SoilAll soils
    SeasonAll seasons

Sowing & cultivation

  • Spacing8–10 m between grafted plants, both directions

Yield & maturity

Maturity period

First fruit ~3–4 years (grafted)

Expected yield

Good, regular bearer

Actual yield depends on sowing time, soil, irrigation, weather, seed quality and crop management.

Pest & disease considerations

Major diseases

  • No special resistance widely documented

Advantages & considerations

Why farmers may choose it

  • Widely available across nurseries in nearly every state
  • Early, precocious bearing on a compact, manageable tree
  • Firm, crisp bulb texture

Things to consider

  • Medium fruit size compared to the heaviest-bearing regional clones like Konkan Prolific

Suitable regions

States this variety is recommended for — check locally, since a state can have more than one recommended zone.

  • Kerala
  • Karnataka
  • Tamil Nadu
  • Maharashtra
  • West Bengal