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Win DIAS provides high speed measurement and analysis of leaf area and leaf features, making it the ideal tool for plant pathology applications

Advanced leaf area meter plus perimeter, length, width, object count and more Automated measurement of diseased, healthy and pest damaged leaf area, Conveyor accessory for rapid processing of leaves

Agronomy and plant physiology

Win DIAS provides a flexible resource with countless laboratory applications - from simple leaf area measurement to the analysis of complex distributions of colour. The addition of the Conveyor Belt accessory opens up further applications to use the instrument as LAB LEAF AREA METER(Rapid throughput of large numbers of leaves, Measurement of intact long leaves e.g. maize,sorghum, sugar cane and miscanthus

Crop protection

Win DIAS is optimized for the rapid analysis of area by colour difference, creating many applications in plant pathology and plant protection. Examples include: Necrosis caused by fungi and bacteria Leaf tip burn and leaf spotting, Nutrient deficiency symptoms, Viral infection and leaf senescence.


All of the applications described above are relevant to the study of broadleaf tree species. It is also possible to use Win DIAS with conifers; the surface area of pine needles can be estimated by multiplying the projected area by a conversion factor.

Plant pathology

Rapid measurement of a wide variety of leaf types is a key requirement in plant pathology. Win DIAS automates these measurements after a simple set-up procedure. By pointing and clicking with the mouse on the image, up to 10 examples of colours from healthy leaf regions can be tagged, plus up to 10 examples from two different type of diseased regions(e.g. diseased and necrotic). These defined bands allow for the natural colour variation among samples of healthy leaves, permitting Win DIAS to distinguish them from the colour present in the diseased areas - as, for example, in a mosaic virus infection. Regions whose colors are within the primary secondary and tertiary colour ranges show immediately as overlays on the video image, quickly indicating whether the required areas have been detected. Win DIAS can then calculate areas, make other measurements, and count the number of spots, within these regions