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Isabgol (Psyllium)RabiOpen-pollinatedUpdated 2 September 2026

Haryana Isabgol-5 (HI-5)

A 1989 release from CCS Haryana Agricultural University, notable as one of the few isabgol varieties with a documented husk-recovery percentage — a directly useful figure since the husk, not the seed, is the crop's real product.

SeasonRabi
Maturity period140–145 days
Expected yield1,000–1,200 kg/ha; husk recovery about 25–30% of seed weight
Suitable soilLight, well-drained sandy loam

Quick facts

Crop
Isabgol (Psyllium)
Type
Open-pollinated
Season
Rabi
Maturity period
140–145 days
Seed rate
4–5 kg/ha, mixed with sand or fine soil for even broadcasting
Expected yield
1,000–1,200 kg/ha; husk recovery about 25–30% of seed weight
Suitable soil
Light, well-drained sandy loam
Release
Released 1989 · CCS Haryana Agricultural University, Hisar

About this variety

Haryana Isabgol-5 (HI-5) was released in 1989 by CCS Haryana Agricultural University, Hisar, as a selection from the earlier Gujarat Isabgol-2 (GI-2) line. It is notably longer in duration than most other named isabgol varieties, at 140–145 days, and yields 1,000–1,200 kg/ha of seed. What sets HI-5 apart on this page is that it is one of the few varieties with a documented husk-recovery figure — about 25–30% of seed weight comes out as husk (bhusi) after processing, which matters directly to a grower since the husk, not the seed itself, carries almost all of the crop's commercial value. Its longer duration means it needs to fit a slightly longer rabi window than the shorter-cycle Vallabh Isabgol-2 release.

Key characteristics

    Plant typeOpen-pollinated
    Maturity140–145 days
    Yield potential1,000–1,200 kg/ha; husk recovery about 25–30% of seed weight
    Disease resistanceNot separately documented in available sources
    SoilLight, well-drained sandy loam
    SeasonRabi

Sowing & cultivation

  • Sowing timeFirst half of November, allowing for its longer 140–145 day cycle
  • Seed rate4–5 kg/ha, mixed with sand or fine soil for even broadcasting

Yield & maturity

Maturity period

140–145 days

Expected yield

1,000–1,200 kg/ha; husk recovery about 25–30% of seed weight

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

Pest & disease considerations

Major diseases

  • Not separately documented in available sources

Advantages & considerations

Why farmers may choose it

  • One of the few varieties with a documented husk-recovery percentage (25–30%), a directly useful figure for a husk-sold crop.
  • Solid, above-average yield at 1,000–1,200 kg/ha.

Things to consider

  • Longest duration of the named varieties on this page (140–145 days) — plan the rabi calendar accordingly.
  • Disease-resistance data not separately documented in available sources.

Suitable regions

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

  • Haryana
  • Gujarat
  • Rajasthan

Sourced from: CCS Haryana Agricultural University, Hisar. editorial policy.