TECHNICAL


Remote sensing technology


Plant stress on sports turf


Drones and remote sensing technology, such as multispectral and thermal cameras, have the potential to detect early symptoms of stress in turf grass. A pilot project was conducted to determine if or how this technology could help sports turf maintenance. This article focuses on the early detection of the turf grass disease Grey Leaf Spot, which is caused by the harmful fungus Pyricularia spp


Figure 2: Field 11 in North-South orientation with area in question (white outline)


114 PC February/March 2021 T


he St. Jakob sports facility in Basel was fl own over by a drone equipped with a multispectral camera once a month. The remote sensing images were evaluated, compared with observations on the ground and conclusions were drawn to inform ongoing maintenance.


Field number 11 of the junior campus of Basel Football Club was severely aff ected in August due to the rapid spread of the fungus, and images taken with a multi-spectral camera, in combination with the NDVI index, allowed early detection before the damage


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