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Roundup Pro Biactive 450 5L |
Roundup Pro Biactive 450, MAPP no. 10330
Active Ingredients: 450g/l glyphosate.
Persistent weeds need a persistent weed killer to kill them once and for all. Roundup Pro Biactive 450 is a foliar applied translocated herbicide, which means it is applied to the weeds leaf and absorbed by the plant, carrying it to all parts of the plant above and below ground, including the roots. This action ensures that the weed receives a lethal dosage that quickly and effectively kills the weed.
Using a new surfactant system known as Biactivator adjuvant technology Roundup Pro Biactive 450 has been developed for use on weeds in amenity vegetation, enclosed waters, hard surfaces, natural surfaces not intended to bear vegetation, land immediately adjacent to aquatic areas and open waters.
Key Benefits of Roundup 450
![]() Our Mankar-Carry Sprayer Range has been specially developed for use with Roundup Pro Biactive |
- Unique Biactive formulation gets more glyphosate into the plant
- Hazard free label - safer for the operator, public and pets
- Superior long term control of difficult perennial weeds
- Biodegrades in soil and water, excellent rainfastness
- Make the most of those precious weather windows
- Highest levels of performance and safety
- Preferred under COSHH
Glyphosate, the active ingredient in Roundup Pro Biactive, controls weeds by blocking the plant's enzyme system. These enzymes, which are present in plants, do not occur in humans, animals, birds or fish. Hence, Roundup Pro Biactive is safe to everything except green plants.
How Roundup Pro Biactive Works

- For any herbicide to function it must first break through the waxy surface of the leaf and enter the plant cells.
- This is achieved by developing a formulation containing an adjuvant or surfactant which breaks down the waxy cuticle.
- Differences in glyphosate formulations are brought about by the different surfactants they contain.
- Original Tallow Amine products have been superceded by Roundup Pro Biactive.
Application Rates & Timing
Roundup Pro Biactive provides control of a wide range of established annual grasses, annual broad leaved weeds and perennial weeds.
| Type of Treatment | Dilution Rate | Solution Made | Coverage Rate |
|---|---|---|---|
| Annual Grasses | 1:67 with water | 340L Dilute | 3.0L/Ha |
| Annual Broad Leaved Weeds | 1:67 with water | 340L Dilute | 3.0L/Ha |
| Perennial Weeds | 1:40 with water | 205L Dilute | 5.0L/Ha |
Application Timing for Roundup Pro Biactive 450:
The timetable needs to be flexible according to conditions rather than calendar. The first spray should not be done until weeds have emerged and are actively growing and this will vary from year to year according to the weather.
The graph below shows spray windows as late April to mid-May for Spring treatment, with a subsequent optional spray in Summer, and a further spray in the period August to September.

Additional Information
Roundup Pro Biactive 450 Superior Performance
Formulated using the novel Biactivator technology, Roundup Pro Biactive 450 is a complete product that contains two adjuvants. Alone they offer excellent benefits, but in combination the synergistic effect of these two adjuvant partners ensures an outstanding perfomance.
Retention, uptake and translocation are enhanced; so more glyphosate gets to the growing points providing superior long-term weed control. These Biactivators increase reliability over a vast range of applications and weather conditions, particularly rainfall.
This unique formulation is protected by patents unlike most other adjuvants. No other glyphosate-based products contain this patented formulation. So, if it doesn't say Biactive on the can, it isn't Biactive in the can.
Roundup Pro Biactive 450 is Environment FriendlyBesides providing superior control of a wide range of weeds, Roundup Pro Biactive 450 has been developed with commitment and concern for the environment firmly in mind.
Roundup Pro Biactive 450 has been specially formulated to offer an enhanced standard of operator safety. It is not a hazardous substance as defined by COSHH, when used in accordance with the label, and it does not carry a hazard symbol. In the environment, it provides up to 100 fold improvement in safety to some of the most sensitive animal species, when compared to older glyphosate formulations.
Roundup Pro Biactive 450 Synergistic Activity
Monsanto has used two adjuvants in a special combination to enhance the performance of Roundup Pro Biactive.
- A hydrophilic non-ionic humectant: extends the period of glyphosate uptake from the treated leaf.
- A cationic Quaternary Ammonium Compound (QAC) which strongly binds to the leaf surface without damaging the plant cells allowing the active ingredient, glyphosate, to diffuse into the leaf with minimal stress to the plant - This ensures minimal glyphosate is locked up in the leaf ensuring maximum movement through the plant, boosting weed kill and improving reliability.
The purchaser and/or end users are responsible for ensuring that these products are used in line with industry Approved Codes of Practice. All operators must be trained and certificated in using and applying any Ministry Approved professional product. Click here for further information on NPTC approved pesticide training courses Use plant protection products safely. Always read the label and product information before use. Please be aware that by proceeding you are purchasing a professional pesticide product. You must ensure the end user of these products complies with the DEFRA/HSE Code for the Safe use of Pesticides: |
Have a look at our effective, easy to use, low cost, high concentrate alternatives:
Still unsure? Speak to a technical sales advisor on 03300 883986. |
Delivery charge applies at checkout. Next working day delivery on all orders before 12 noon - excludes festive season & bank holidays. Please note deliveries to Highlands, Cornwall and more remote areas may take longer. Surcharges apply for non mainland locations, call for more information. More delivery info
Collection from our Telford, Shropshire, Trade Counter is available for this product. More info on collections
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