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This product is available by telephone order. Please phone 1800 229 994 for prices, information and to discuss your individual needs.


Petrik's Setbest is a foliar applied material that improves flowering and fruit set and reduces plant stress during this demanding period in the plant cycle. Setbest supports the plant's natural processes and the root system's mycorrhizal colonies (including VAM), particularly in the deeper root zone. Setbest makes nutrients (particularly calcium, phosphorous and trace elements) more available to the plant and aids in fruit setting, health and sizing. Setbest also assists plants to overcome damage from frost, herbicide, water stress, mites etc.

Analysis w/v
Total Nitrogen 2.3%
Nitrate Nitrogen 0.4%
Ammonium Nitrogen 0.6%
Other Nitrogen 1.3%
Phosphorous - Water Soluble 1.2%
Potassium 2.8%


Usage Instructions

Setbest can be applied in conjunction with fertiliser products. Always test a small area of the crop first to ensure compatibility.

  • Peas, Beans, Soybeans, Lentils - Apply 2L/ha just prior to flowering.
  • Carrots, Lettuce, Garlic, Onion, Broccoli, Cauliflower, Spinach, Cabbage, Celery, Parsley - Apply 2L/ha 4 weeks after emergence.
  • Tomatoes, Capsicums, Eggplant - Apply 2L/ha at 5th leaf stage. Repeat after 4 weeks.
  • Cucumbers, Zucchini, Pumpkins and All Melons - Apply 2L/ha just prior to flowering. Repeat after 4 weeks.
  • Potatoes - Apply 2L/ha just prior to tuber initiation.
  • Berries - Apply 2L/ha at first leaf maturity. Repeat 4-6 weeks later.
  • Grapes, Kiwifruit, Passionfruit - (permanent vines) - Apply 2L/ha just prior to floweing. Apply again after fruit set at 1/3 maturity.
  • Cotton - Apply 2L/ha before squaring.
  • Cereal Grains - Apply 1-2L/ha at Z31.
  • Lucerne - Apply 2L/ha after each cutting.
  • Almond, Apple, Apricot, Cherry, Peach, Pear, Plum, Persimmon - Apply 2L/ha as soon as first leaves are large enough for foliar sprays. Repeat after fruit set.
  • Figs, Walnuts, Pecans, Cashews, Pistachios - Apply 2L/ha when first leaves reach maturity stage. Repeat after 6 weeks.
  • Citrus, Avocado, Mango, Lychee, Olives, Cherimoya - Apply 2L/ha just priot to blossoming. Repeat after fruit set.
  • Bananas - Apply 2L/ha at bunch initiation (about 10 leaves before bell emergence) to maximise the number of hands. Repeat when first bells emerge to maximise fruit length.