AS DVO 07
Near real-time characterisation of grapevines for more efficient vineyard management
Strever, A E
Stellenbosch University. Department of Viticulture and Oenology
Strever, A E
Piquard, J D
Currently, there are limited means for viticulturists to visualise and understand the spatial variability within their vineyards throughout the season. This lack of quantitative information equates to the waste of resources and to vineyards operating with lower yields and quality than could potentially be achieved with the same overall resources.
This project proposes the development and testing of camera-based software techniques enabling the detailed characterisation of the vineyard in terms of canopy structure and vigour, relating this to water and fertilizer needs, and presenting the information through an intuitive website.
The application of spectral techniques in the surveying of vineyard abnormalities such as leafroll disease will also be evaluated. The aim is to evaluate the techniques on a ground-based (i.e. tractor) platform as well as drones, which opens up the possibility of higher temporal (time) resolution, which is critical for seasonal vineyard management. The integral aim is to be able to perform this in a cost-effective way so that it can be deployed commercially in vineyards.
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