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Comparison of DOP and DRIS Methods for Leaf Nutritional Diagnosis of Vitis vinifera L., Cv. Tempranillo

AutorMartín Rueda, Ignacio ; Romero, Izaskun; Domínguez, Natalia; Benito Bermejo, Ana ; García-Escudero, E.
Palabras claveNutrition
Petiole analysis
Vines
DOP
Leaf blade analysis
DRIS
Fecha de publicación2016
EditorTaylor & Francis
CitaciónCommunications in Soil Sccience and Plant Analysis 47(3): 375-386 (2016)
ResumenDeviation from optimum percentage (DOP) and Diagnosis and Recommendation Integrated System (DRIS) are methodologies for leaf analysis interpretation. DOP calculates the deviation as a percentage for each essential element while DRIS calculates the average deviation for different ratios that include each element. A vine survey was undertaken for 11 years in La Rioja, northeastern Spain, to establish nutritional references for cv. ‘Tempranillo’ (Vitis vinifera L.). Diagnosis of nitrogen, phosphorus, potassium, calcium, and magnesium were performed by DRIS and DOP on the dataset for leaf blade and petiole, at both flowering (n = 684) and veraison (n = 801) with a moderate-yield criterion (3,800–10,000 kg·ha). Important differences between DOP and DRIS were found when a diagnosis using the same dataset was performed. In spite of the differences, the regression equations obtained are an acceptable adjustment between both methods for phosphorus (P) and magnesium (Mg) in blades and petioles, and for potassium (K) in blades.
Versión del editorhttp://doi.org/10.1080/00103624.2015.1123720
URIhttp://hdl.handle.net/10261/146440
DOI10.1080/00103624.2015.1123720
Identificadorese-issn: 1532-2416
issn: 0010-3624
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