Echelon Duo Advanced


Echelon Duo Advanced

Echelon Duo Advanced Herbicide + Insecticide & Fertiliser is a herbicide, insecticide and fertiliser on one granule. As a pre-emergent it controls Summer grass, Crowsfoot, Winter grass and Creeping Oxalis and as a residual insecticide it controls African Black Beetle, Argentinian Scarab and Billbug in turf grass situations.

Echelon Duo Advanced Herbicide + Insecticide & Fertiliser contains 10g/kg Oxadiazon, 1g/kg Thiamethoxam and is coated on a 300SGN (3mm) dust free, compound granular fertiliser that gives turf growth for 4-8 weeks.

Each fertiliser granule contains Nitrogen (15%) and Potassium (17%), with a low level of Phosphorus (1.6%) and a range of trace elements that includes Mg (1.8%), S (10%), B (0.02%), Fe (0.06%) and Zn (0.01%).

The benefits of Echelon Duo Advanced:

  • An all-in-one solution. You can apply a pre-emergent herbicide, a residual insecticide and a turf fertiliser in one pass. This saves you time and money.
  • It protects your turf for up to 90 days.
  • The pre-emergent herbicide, Oxadiazon, is a shoot-absorbed pre-emergent herbicide, and has very little impact on the root system.
  • Oxadiazon is strongly bound to soil humic and clay particles, and so does not leach from the soil. Soil organic matter is the main factor that determines the extent of sorption of oxadiazon i.e. the higher the organic content, the less mobile the oxadiazon. In the light of research work carried out in the U.S.A. the residual activity of oxadiazon would appear to be in the range of 8-15 weeks.
  • The residual insecticide Thiamethoxam, provides works even at lower soil moisture levels. This means it has a quicker performance in comparison to several other residual products.
  • Convenient and easy to apply through granular fertiliser spreaders.
  • Safer to handle and apply due to the low levels of active ingredients.


Guaranteed Fertiliser Analysis.


Nitrogen Ammonical 8%
Nitrate 7%
Total Nitrogen 15%
Total Phosphorus 1.31%
Total Potassium as Sulphate 16.6%
Magnesium as water-soluble 1.8%
Sulphur as water-soluble 10%
Boron 0.02%
Iron 0.06%
Zinc 0.01%


What weeds does Echelon Duo Advanced target in turf (pre-emergent control).


What insect pests does Echelon Duo Advanced target in turf.

  • African Black Beetle.
  • Argentinian Scarab.
  • Billbug.


Turf species Echelon Duo Advanced can be used on;

  • Kikuyu.
  • Buffalo Grass.
  • Common Couch Grass (Not Santa Ana).
  • Tif Hybrid Couch Grass.
  • Saltwater couch.
  • Queensland Blue Couch.
  • Bahia grass.
  • Zoysia grass.

Nb – Do not apply on turf that contains Carpet Grass, Centipede Grass, Santa Ana Couch and Dichondra unless some damage is acceptable.

Echelon Duo Advanced contains Oxadiazon and Thiamethoxam;


  • Oxadiazon is the safest pre-emergent herbicide for couch grow-in and recovery. When you use it on a granular carrier, oxadiazon provides good to excellent pre-emergent control of Winter Grass, but it isn't so good for pre-emergent broadleaf control.
  • There is some evidence that oxadiazon is root absorbed and apoplastically translocated. When the soil is very dry, the product’s activity is greatly decreased. You should apply 10-14 days prior to weed germination.
  • It is important not to disturb the product film on the soil surface and not to aerate after treatment. Light is required for herbicide activity as it is taken up only when the new shoot emerges from the soil. It does not kill the root system, amd does not prune roots.
  • When you use this do not to apply it to wet turf. Herbicide injury still occurs if granules lodge in the foliage or are not completely washed off with irrigation. Therefore, it is important to apply the granules to dry foliage.
  • Oxadiazon does not control Spurge or Chickweed from seed.



  • Thiamethoxam is a systemic insecticide and works by blocking nicotinic acetylcholine receptors. It prevents acetylcholine from transmitting impulses between nerves, and results in the target insect’s paralysis and then death.
  • Control of target insects is by contact action in the soil or via stomach action,  when they feed on the treated plant material.
  • Thiamethoxam is taken up by the foliage and roots and moves acropetally (upwards in the plant).
  • The target insect stops feeding quickly upon ingestion, which limits further plant attack.


Pack Size: 20Kg.

Rate of Application: 3-4Kg/100m2 (300-400Kg/Ha).

Brand: Indigo Specialty.

Chemical Group: Echelon Duo Advanced is in Herbicide Resistance Group 14 and Insecticide Group 4A.



Technical Sheet:


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  • When should I apply my lawn pre emergent?

    The best time to apply these products is in the early spring as this is before broadleaf weeds begin to grow. For grass weeds like summer grass apply later say in late spring or early summer. This weeds germinate later, so by applying your pre emergent later you will get longer control.
  • What is a turf herbicide?

    Turf herbicides, also known as weedkillers are pesticides used to control and manage undesirable plants. It is important that when you use a turf herbicide that you precisely follow the label directions. If you don't do this then the herbicide may fail to control the target weed, damage the turf grass or even prevent you from being able to reseed or re-turf damaged areas. Turf herbicides can be:
    • Selective or non selective. Selective turf herbicides are able to specifically target the weed without damaging the desirable turf grass. Non selective turf herbicides kill everything.
    • Pre emergent or post emergent. Pre emergent turf herbicides prevent weeds from growing and becoming and are used before weeds grow. Post emergent kill weeds after they have emerged.
    • Work against broadleaf weeds or grass weeds.
  • What pre emergent herbicide kills bindi?

    Before you go putting down a pre emergent herbicide realise that the best way of stopping any weed is to have healthy dense turf. If you have this it will choke out competing weeds and so you don't have to spray any chemicals. However in some cases you might need to apply a pre emergent herbicide. My two go to pre emergents for bindii are an oxadiazon based product such as Echelon® or Echelon Duo® or for longer control products based on prodiamine such as Onset 10GR® if I want to use a granular option or Barricade® herbicide if I want to use a liquid. Both of these active ingredients give excellent control against this troublesome weed.
  • How does pre emergent herbicide work?

    Withouit going into too much detail pre emergent herbicdies form a barrier a the surface and prevent weeds from establishing. They have no effect at all on weed seeds.
  • Does pre emergent herbicide kill grass?

    If you follow the label the answer is a simply no.
  • Where to buy pre emergent herbicide near me?

    Gilba solutions supplies into NSW, VIC, QLD and the ACT. For areas outside of these feel free to contact us and we are only too happy to point you in the right direction as to where to get product at the best price.
  • Are there any new pre emergent herbicides?

    The newest pre emergent active ingredient is indaziflam sold as Specticle® which was introduced several years ago. However, the newest products on the market are both granular products and produced by Indigo Specialty. These are called Echelon Duo® and Onset 10GR® These are based on oxadiazon and prodiamine respectively.
  • Can I core after applying a pre-emergent herbicide?

    We get asked this a lot. The general view is that aerating afterwards is not a good idea. The thinking is that this will break through the "barrier" and prevent it from working. However, there is turf research[mfn]. Branham, B. E. and P. E. Rieke. 1986. Effects of turf cultivation practices on the efficacy of preemergence grass herbicides. Agronomy Journal 78:1089- 1091. [/mfn] showing that this might not be an issue. Solid tining should be OK, but there might be issues with hollow tine aeration due to soil removal. Although pre-emergent herbicide labels don’t recommend aerating, research has not shown any reduction in summer grass control.
    • After applying oxadiazon, core aeration did not affect crowsfoot control. 
    • Monroe et. al., also showed that aeration did not affect the control of summer grass[mfn]Monroe, J. H., W. M. Lewis. J. M. DiPaola. 1990. Aerification effects on preemergence herbicide activity. Weed Science Society of America Abstracts 30:27[/mfn]. 
    As a general rule, however, if the site requires coring, then carry it out.
  • Why fertilize turf?

    The main reason to fertilize turf is so that it can grow properly. Fertilizing is like eating a meal. If we don't eat the right things regularly and in the right amounts then we will get sick or not grow properly. The aim of anyone growing turf is to provide a healthy, stress-tolerant surface that can withstand a high level of wear. The key to achieving this is selecting the correct fertilizer. This has a major influence on turf health. Too much nitrogen and the turf can become extremely prone to disease and have a low tolerance to wear. Too little nitrogen and recovery and growth are limited. All the major nutrients (N, P, K) and secondary (S, Ca, Mg) are required in larger amounts than the traces (B, Cu, Zn, Fe, Mn) but all of important roles to play in the growth of the turf plant.  
  • What do the letters and numbers on a fertilizer bag mean?

    Every fertilizer bag should have the nutrient analysis marked as N, P, K, S, Mg, Ca, and whatever trace elements are present. These are nitrogen, phosphorus, potassium, sulphur, magnesium and calcium respectively. In Australia, we use the elemental labelling system for nutrient analysis. In Europe and the USA, they use the oxide analysis. This can lead to some confusion. The nitrogen figure is the same with both systems but P, K, etc. are different. Using potassium nitrate as an example, this is labelled as 13-0-36 in Australia and 13-0-43 in the USA, even though it's the same product.  Consequently, to go from:
    • Elemental K to the oxide form divide by 0.83 (or multiply by the inverse, 1.2).
    • To go from elemental P to the oxide form, simply divide by 0.44 (or multiply by the inverse, 2.27).
    • Similarly, to go from Ca to CaO, divide by 0.715 (or multiply by 1.39), and
    • Finally, to go from Mg to MgO, divide by 0.602 (or multiply by 1.66).
  • When is the best time to fertilize turf?

    Generally, the best time for lawn fertilization is in the spring when the soil temperature reaches 10ºC. At this temperature things are just beginning to grow, so the turf needs feeding. Feeding at this time will get the turf growing nicely heading into the summer. Autumn feeding of warm-season turf increases turf density. It encourages new tillers, rhizomes, stolons, and more shoot growth. If you overseed, it will also help promote the growth of the young seed and consequently promote the production of carbohydrates. This helps turf survive winter stresses and encourages spring growth. On golf course greens, regular light feeding throughout the year can have benefits in helping to counter disease and encourage recovery.
  • How often should you carry out soil testing?

    Soil testing identifies nutrient deficiencies, predicts nutrient needs, and identifies toxicity issues. You can take soil samples any time of the year but not within two weeks of applying a fertilizer. The frequency can be every two or three years. On sand or new sports turf constructions, the low CEC means that initially, we recommend testing every year.
  • Whats a quality fertilizer?

    A quality fertilizer flows freely, isn't wet and contains what it says on the bag. With granular fertilizers, excessive dust, a lack of particle uniformity, being damp, and smearing inside the fertilizer hopper are all good indicators of poor quality or incompatible ingredients used in its manufacture. Likewise, with liquids, any residue at the bottom of the drum and filter blockages indicate issues.