Revisiting the empirical models for non-destructive grapevine shoot leaf area estimation: validation and methodological simplification using data from the cv. Encruzado

Aiming to test the performance of the Lopes & Pinto (2005) methodology for non-destructive estimation of grapevine shoot leaf area, a sample of 100 shoots of the white cultivar Encruzado was periodically collected during 2025 season (five sampling dates)