Application example: Drought stress monitoring in viticulture

Water - the "Blue Gold “

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Question of the project

What is the status of the vine regarding water supply and how does irrigation affect the yield and quality?

Water - the "Blue Gold “ (Bavarian State Institute for Viticulture and Horticulture)

In addition to the installatoin of water reservoirs for drip irrigation, Dr. Daniel Heßdörfer from the Bavarian State Institute for Viticulture and Horticulture is using state-of-the-art technology: To measure the soil water  potential pF-Meter and Tensiomark sensors are used. In addition, drones are deployed to determine the drought stress via infrared thermometry and Scholander bombs to determine the water potential of the plants.

The aim of the complex investigations is a targeted and efficient irrigation of the vine plant:"The creed for us is to supply the vineyard with water only when the plant - not the vintner - suffers from drought stress," says Dr. Heßdörfer.

The analysis of the measurements showed good agreements between   the measured soil water tensions (measured with pF-meter/ Tensiomarks) and the water potential of the vine plants (results will be published shortly).

Product Parameter
pF-Meter and Tensiomark   Water tension, temperature
PAR-Sensoren   Photosynthetically active radiation
rF/T-Sensoren     relative humidity / air temperature
enviLog Maxi with DFÜ  
Solar power  

Bayerische Landesanstalt für Weinbau und Gartenbau
An der Steige 15
97209 Veitshöchheim


Dr. Daniel Heßdörfer