| Summary: | The observation of apex growth is a simple method that was introduced to monitor the existence of hydric constraints in the vineyard (Rodriguez Lovelle et al., 2009; De Toda et al., 2010). Based on the direct observation in each plot, it represents a particularly interesting approach for the wine sector because it is easy to implement and inexpensive (Saurin et al., 2014). However, despite its advantages, the method of apex has its own implementation limits that hinder its acceptance and broader use amongst winegrowing professionals. One of its principle limitations is the need to note and memorize the apex counts plot by plot as well as the need to undertake a calculation of the indexes from these counts (Brunel et al., 2019). The objective of the Apex-Vigne application is to propose a free tool that will eliminate these constraints and thus favor the adoption and use of the apex method.
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