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Guar (Cluster Bean)KharifOpen-pollinatedUpdated 2 September 2026

RGC-1038

Genuinely listed among RARI Durgapura's roughly fifteen released clusterbean varieties, and one of the guar seed types identifiable to buyers and dealers in the trade alongside RGC-936, HG-563 and RGC-1066.

SeasonKharif
Maturity periodNot separately documented
Expected yieldNot separately quantified in available sources
Suitable soilLight, well-drained semi-arid soils

Quick facts

Crop
Guar (Cluster Bean)
Type
Open-pollinated
Season
Kharif
Maturity period
Not separately documented
Seed rate
12–15 kg/ha, standard for a branched Rajasthan guar type
Expected yield
Not separately quantified in available sources
Suitable soil
Light, well-drained semi-arid soils
Release
Rajasthan Agricultural Research Institute (RARI), Durgapura — exact notification year not confirmed in this research pass

About this variety

RGC-1038 is documented in the Rajasthan Agricultural Research Institute (RARI), Durgapura's official list of developed clusterbean varieties, which records "high yielding, photo-insensitive varieties with high gum content" as the breeding programme's general goal across its roughly fifteen releases, of which RGC-1038 is one. It is also referenced in farmer-facing trade material as one of the guar seed types worth being able to identify alongside RGC-936, HG-563 and RGC-1002, confirming it circulates as a genuine, named seed lot in the market rather than being only a breeding-station accession. Detailed duration, seed-yield and disease-reaction figures specific to RGC-1038 could not be independently confirmed from a primary source in this research pass.

Key characteristics

    Plant typeOpen-pollinated
    MaturityNot separately documented
    Yield potentialNot separately quantified in available sources
    Disease resistanceNot separately documented
    SoilLight, well-drained semi-arid soils
    SeasonKharif

Sowing & cultivation

  • Sowing timeLate June to July, with the monsoon
  • Seed rate12–15 kg/ha, standard for a branched Rajasthan guar type
  • Spacing45–60 cm between rows, 20–30 cm between plants

Yield & maturity

Maturity period

Not separately documented

Expected yield

Not separately quantified in available sources

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

Pest & disease considerations

Major diseases

  • Not separately documented

Advantages & considerations

Why farmers may choose it

  • A genuine RARI Durgapura release that circulates in the market as an identifiable, named seed lot, not just a research-station accession.
  • Part of a breeding programme aimed generally at high-yielding, photo-insensitive, high-gum-content guar suited to Rajasthan's semi-arid conditions.

Things to consider

  • Specific yield, duration and gum-content figures for RGC-1038 are not independently documented in the sources checked for this record — a grower should confirm current performance data with RARI Durgapura or the local KVK before choosing it over a more thoroughly documented variety like RGC-936 or RGC-1055.

Suitable regions

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

  • Rajasthan

Frequently asked questions

Is RGC-1038 a real, market-recognised guar variety?

Yes — it is listed among RARI Durgapura's official released clusterbean varieties and is referenced in trade material as one of the seed types buyers and dealers identify in the market, alongside RGC-936 and HG-563. Its detailed agronomic data is thinner than the better-documented lines, though.