Biopesticide Dose & Product from g/L
Doses Trichoderma
Enter your spray volume and the g/L dose to get the total bio-agent product needed — for Trichoderma, Pseudomonas, Beauveria and other living-culture biopesticides.
Mix the bio-agent
Next: mix 2.5 kg of the bio-agent into 500 L of water and spray in the evening; don't tank-mix with fungicides or bactericides that kill the live organisms.
Bio-agents (Trichoderma, Pseudomonas, Beauveria) are living cultures — use within shelf life, avoid hot midday sun and chlorinated water, and keep separate from chemical fungicides.
Biopesticide dose — key facts
- Product
- spray volume × g/L
- Dose basis
- grams per litre of spray
- Best time
- evening or overcast
- Water
- clean, unchlorinated
- Do not
- tank-mix with fungicides
- Bio-agents
- Trichoderma, Pseudomonas
- Why it matters
- they are living cultures
- Privacy
- Runs in your browser; nothing uploaded
Living cultures — dose them right, keep them alive
Bio-agents like Trichoderma, Pseudomonas and Beauveria are not chemicals — they are living fungi and bacteria, dosed in grams per litre of spray. The arithmetic is simple, product equals spray volume times the g/L dose, but the application is the part that decides whether they work. Spray in the evening, use clean unchlorinated water, and never tank-mix with chemical fungicides that kill the very organisms you are applying.
This tool turns your spray volume and label dose into the total product to weigh out, so you mix the right strength without wasting a costly biological. Handle the culture gently, store it cool, and use it before expiry to keep the live count high. Pair it with the Neem Oil Spray, NSKE and Soil Drench tools for a full biological crop-protection plan.
Dose by g/L
Product straight from spray volume and label rate.
Keep them alive
Evening spray, clean unchlorinated water.
Avoid bad mixes
No tank-mix with chemical fungicides.
Any bio-agent
Trichoderma, Pseudomonas, Beauveria and more.
Frequently Asked Questions
What is a biopesticide?+
A biopesticide is a living organism — a fungus or bacterium such as Trichoderma, Pseudomonas or Beauveria — used to control crop diseases and pests instead of a chemical. The product is a culture of live spores or cells dosed in grams per litre of spray water, and it works by colonising, parasitising or out-competing the pest.
How is the dose calculated?+
Product = spray volume × dose in g/L. Decide how much spray your crop needs, then multiply by the label dose in grams per litre to get the total product. For example a 5 g/L Trichoderma dose in 200 litres of spray needs 1000 g (1 kg) of product.
When should I spray a biopesticide?+
Spray in the evening or on an overcast day. The living organisms are sensitive to ultraviolet light and heat, so cool, low-light conditions help them survive long enough to establish on the leaf or in the soil. Evening application also gives them overnight humidity to get going.
Why avoid chlorinated water?+
Chlorine in tap or treated water kills the very microbes you are trying to apply. Use clean pond, well or rainwater, or let chlorinated water stand uncovered for a day so the chlorine escapes. Adding a biopesticide to fresh chlorinated water can wipe out most of the live culture before it reaches the crop.
Can I tank-mix biopesticides with fungicides?+
Generally no — chemical fungicides are designed to kill fungi, and most biopesticides are fungi or bacteria, so mixing them destroys the bio-agent. Keep biopesticide sprays separate, and leave a gap of several days from any fungicide so the residue does not knock out the living culture.
What is the right g/L dose?+
Follow the product label — typical rates are around 2–5 g/L for foliar bio-agents, with soil drench and seed-treatment rates differing. Strength varies with the spore count (CFU) of the formulation, so always dose by the specific product's label rather than a generic figure.
How do I decide the spray volume?+
Match it to the crop and stage — enough to wet the foliage or drench the root zone without runoff. Calibrate your sprayer over a known area to find litres per hectare, then scale to the field. The tool then multiplies that volume by the g/L dose for the product needed.
Does this work for any bio-agent?+
Yes — it works for any product dosed in g/L: Trichoderma viride/harzianum, Pseudomonas fluorescens, Beauveria bassiana, Metarhizium and others. Just enter that product's label g/L and your spray volume, and the dry-product approach gives the quantity to weigh out.
Are the figures precise?+
They are accurate quantity figures from your inputs. Real-world results depend on water quality, timing, temperature, UV and how fresh and viable the culture is. Use clean unchlorinated water, spray in the evening, store the product cool, and use it before its expiry for the live count to count.