Turf Grass Seed Treatment

All Masterline seed mixtures are Gromax coated as standard 


New GroMax Seed Treatment 

  • Improves establishment
  • Stimulates root growth
  • Improves tolerance to stress
  • Enhaances water and nutrient uptake

Biostimulants assist the seedlings ability to take advantage of the soil's own inherent reserves of nutrient by stimulating the soil's microflora. resulting im improved root growth and establishment.

Gromax is a dry formulation of natural humates and humic acids, seaweed extract, a proprietary blend of natural sugars (sucrose), vitamins (B complax & K), soluble potash and buffering agents. The product is compatible with most micro-nutrients, fertilisers and pesticides. 

Humic Acids

  • Rich in auxin type substances which enhance antioxidant synthesis – important in increasing plant metabolism under stress conditions
  • Important high carbon  food source for soil micro-organisms
  • Improve the permeability of cell-wall membranes in roots, allowing more rapid absorption of essential nutrients

Seaweed Extract

  • Contains high levels of cytokinins which promote cell division and lateral root growth and delay the ageing process of plant tissue
  • Stimulates root growth after damage by disease or root feeding insects, or under conditions of temperature, water or salt stress


  • Serves as a high energy food source for plant and soil micro-organisms

B Comple x & K Vitamins

  • Act as important catalysts to enhance and drive plant metabolism. Vitamin B1 is widely used as a rooting aid

Amino acids

  • Form the building blocks of proteins - essential for plant growth and metabolism


  • Plays a vital role in disease resistance and overall hardiness of grass plants