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    Crop Insights

    Kelpak on table grapes.

    Field trials conducted in Australia, California, Chile, Europe and South Africa clearly show the many benefits of applying Kelpak Liquid Seaweed Extract to table grapes:

    • Increases vigour of root and shoot growth
    • Improves tolerance to abiotic stress
    • Increases berry size and uniformity
    • Reduces rachis and berry browning
    • Reduces loose berries
    • Increases number of export quality bunches
    • Enhances bunch colour at harvest
    • Often improves fruit sugar levels at harvest
    • Increases returns for the grower
    Table Grapes

    Kelpak on table grape berry size % increase above standard grower practice.

    Kelpak on table grape berry size % increase above standard grower practice.

    0 % - 20 %

    • +17
      FlameCHILE
    • +16
      Red GlobeCHILE
    • +17
      CrimsonCHILE
    • +13
      TimcoCHILE
    • +9
      RubyUSA
    • +12
      SuperiorCHILE
    • +5
      Arra SweetiesSA
    • +9
      Sweet GlobeSA
    • +20
      ItaliaItaly
    • +9
      ThompsonCHILE
    Kelpak on table grape berry size % increase above standard grower practice. (%)
    CategoryKelpak on table grape berry size % increase above standard grower practice.
    Flame (CHILE)+17
    Red Globe (CHILE)+16
    Crimson (CHILE)+17
    Timco (CHILE)+13
    Ruby (USA)+9
    Superior (CHILE)+12
    Arra Sweeties (SA)+5
    Sweet Globe (SA)+9
    Italia (Italy)+20
    Thompson (CHILE)+9

    Improving Berry Size

    Select video

    Berry size – Chile.

    Increase above standard grower practice

    Berry size – Chile.

    0 % - 17 %

    • Flame +17%
    • Thompson +9%
    • Red Globe +16%
    • Superior +12%
    • Crimson +17%
    Berry size – Chile. (%)
    CategoryBerry size – Chile.
    Flame+17%
    Thompson+9%
    Red Globe+16%
    Superior+12%
    Crimson+17%
    • VARIETY

      Timco

      REDUCED RACHIS BROWNING

      ↓ 67%

      REGION

      Chile

    • VARIETY

      Sweet Celebration

      REDUCED RACHIS BROWNING

      ↓ 30%

      REGION

      South Africa

    • VARIETY

      Thompson

      REDUCE LOOSE BERRIES

      ↓ 45%

      REGION

      Chile

    • VARIETY

      Sweet Globe

      REDUCED BERRY BROWNING

      ↓ 49%

      REGION

      South Africa

    Recommended application rates.

    2-5 cm shoot length:

    For better rachis stretching spray at 2 to 5 centimetre shoot length. Repeat 10 to 14 days later.

    Berry set:

    For improved berry size spray from berry set 3 to 4 times at 10 to 14 day intervals.

    Veraison:

    For excellent brix and uniform colour spray at veraison.

    Important:

    Maintain Kelpak at 1:300 dilution - do not dilute more than 1 L in 1000 L water. For electrostatic applications use 4-5 L/ha. Kelpak may be applied together with gibberellic acid and/or forchlorfenuron applications.

    Grower tending table grapes in a vineyard

    Kelpak + forchlorfenuron on bunch weight (g).

    Bigger bunches mainly due to increased berry size FCF at 7.5–10 ppm at ±10mm and Kelpak at 3x3L/ha at ±10mm; +10d; +10d

    Kelpak + forchlorfenuron on bunch weight (g).

    Control · FCF · Kelpak + FCF

    Source illustration comparing bunch weight for Control, FCF, and Kelpak + FCF across Italia, Victoria, Sugra 13, Sugra 41, Regal, Arra 8, Arra 11, Arra 15 and Autumn Giant. The displayed axis runs from 500 to 1200 grams. Kelpak + FCF is the tallest series for each variety. Exact per-series values were not supplied.

    Promoting Growth

    Plant Biostimulant.

    Kelpak Plant biostimulant improves root development, flowering, fruit set, fruit retention and crop resilience by using nature's own code to elicit powerful responses in crops that improve quality and yield. Available in multiple formats for farms of all sizes.

    Find out more
    Kelpak liquid seaweed extract container
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