BioScout raises $4.8 million to expand AI early-warning system for crop fungal disease
Sydney startup BioScout raised A$6.75m ($4.8m) to grow its AI-powered airborne spore detection network from 250 to 1,000 sensors by 2029.
Photo by Francesco Ungaro on Pexels
BioScout, a Sydney-based startup, has raised an A$6.75 million ($4.8 million) seed round to expand its AI crop disease early warning system, which alerts farmers to airborne fungal pathogens before symptoms appear on plants, AgFunderNews reported on August 6, 2026. The round was co-led by Demea Sustainable Investment and Astanor, with participation from GrainInnovate, GrainCorp Ventures, Hort Innovation Venture Fund, Artesian and Division Q. BioScout will use the funding to expand into Europe and grow its global sensor network from 250 units to 1,000 by 2029.
How the AI crop disease early warning system works
BioScout’s sensors continuously draw in air through a wind vane and capture airborne particles, including fungal spores, on clear adhesive tape. After each sampling period, the tape is positioned automatically beneath a microscope that records hundreds of high-resolution images. Those images are sent to BioScout’s headquarters and analyzed with trained AI detection models that identify spore types. The company combines that data with environmental readings such as temperature, humidity, atmospheric pressure, rainfall, and wind speed and direction to estimate infection risk over the following days. Each sensor monitors more than 40 airborne threats, including crop-disease spores, pollen and other particulates.
Founder and CEO Lewis Collins, who holds a PhD from the University of Sydney, said growers typically apply fungicides on fixed weekly, fortnightly or monthly schedules rather than waiting for confirmation a pathogen is present, because visible damage is hard to reverse once it appears. “You essentially can’t see it before it’s too late,” Collins told AgFunderNews, adding that by the time a lesion is visible, the pathogen may already have completed a reproductive cycle and spread through the crop.
| Metric | Figure |
|---|---|
| Seed round raised | A$6.75 million ($4.8 million) |
| Current sensor network | 250 units |
| Target sensor network by 2029 | 1,000 units |
| Airborne threats monitored per sensor | 40+ |
| Claimed spray-cost reduction | up to 50% |
| Unit price | approx. A$15,000 ($10,500) |
| Annual service fee | approx. $7,000-$14,000 |
Source: Lewis Collins, BioScout CEO, and Astanor partner Harry Biggs, cited in AgFunderNews (August 6, 2026).
Where the technology is deployed
BioScout’s sensors are already deployed across vineyards, orchards and grain regions in Australia, New Zealand, Europe, South Africa and the United States. Potatoes have become a significant market for the company amid high disease pressure and declining fungicide performance. BioScout expects to have 20 to 25 systems running in Brazilian soybean fields by the end of 2026, a market Collins described as facing severe disease pressure. The company said it is also in discussions with US growers about cyclospora in lettuce.
Sensor spacing depends on the crop and pathogen involved. In Australian grain regions, BioScout estimates devices placed roughly every 30 kilometers can provide useful regional coverage, since rust spores travel long distances on the wind. Vineyards may need a unit for every 100 hectares because diseases such as downy mildew spread over much shorter distances. This kind of continuous airborne monitoring extends the same logic used in drone mapping for precision agriculture, where remote sensing replaces manual field walks, and fits the broader shift toward digital tools supporting climate-smart agriculture identified in a recent review of interactive farm-advisory tools.
Collins said growers using the system can potentially cut routine fungicide treatments by around half in vineyards, and cited one New Zealand grower who saved close to $500 per hectare. He also described a case in which a vineyard lost $1 million worth of grapes to botrytis after spore levels kept rising despite repeated spraying, a loss he said the data would have flagged earlier. “BioScout is one of those rare companies that solves a massive, urgent problem, whilst also building a unique and powerful dataset that amplifies the impact,” said Astanor partner Harry Biggs, who is joining BioScout’s board.
Background
Airborne spore-trapping for crop disease is not new; agronomists have used manual spore traps and microscopy for decades to track pathogens such as wheat rust and downy mildew. What BioScout adds is automation: continuous sampling, AI-based image classification of spores, and integration with weather data to estimate infection risk before symptoms appear, rather than relying on periodic manual counts. The approach sits within a wider set of precision-agriculture tools, including IoT soil sensors and drone-based crop imaging, that convert routine field observation into continuous, data-driven monitoring.
About BioScout
BioScout began as founder Lewis Collins’ PhD project at the University of Sydney and has grown into a company of about 30 people with sensors deployed across five continents and in 15 countries, according to Collins. The company designs and manufactures its sensor hardware in Marrickville, New South Wales. BioScout’s stated focus is airborne disease surveillance for growers of high-value crops, including grapes, potatoes, onions, canola and soybeans, sold through a subscription model that combines hardware with an agronomy and pathology advisory service. The August 2026 seed round, which brings in new European and Australian agrifood investors, is intended to fund BioScout’s expansion of that sensor network from 250 to 1,000 units by 2029.
Source: AgFunderNews
Featured image: photo by Francesco Ungaro on Pexels (free Pexels license).
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I specialize in sustainability education, curriculum co-creation, and early-stage project strategy. At WINSS, I craft articles on sustainability, transformative AI, and related topics. When I’m not writing, you’ll find me chasing the perfect sushi roll, exploring cities around the globe, or unwinding with my dog Puffy — the world’s most loyal sidekick.
