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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
12тАУ15 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 тАФ 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 rate12тАУ15 kg/ha, standard for a branched Rajasthan guar type
  • Spacing45тАУ60 cm between rows, 20тАУ30 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 тАФ 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 тАФ 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 тАФ 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.