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Easy water stress detection system for vineyard irrigation management

The monitoring and management of vine water stress is a major issue for many vineyards. A method based on the observation of shoot tip growth makes it possible to determine the water stress of plants without the drawbacks of standard instrumental methods. However, this "shoot tip" method is rarely used in the field, as observations and index calculations need to be done manually. Therefore, while the data collection can be relatively quick, data interpretation is not well supported. This article presents a mobile application, ‘Apex’, developed to answer this challenge. The Apex application allows a simple and fast recording of observations and a pooling of spatialized observations. The developed application makes it possible to envisage the collaborative water stress monitoring with crowdsourcing observations.