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Spatial variability of leaf wetness duration in a 'Niagara Rosada' vineyard REA
Lulu,Jorge; Sentelhas,Paulo C.; Pedro Júnior,Mário J.; Pezzopane,José R. M.; Blain,Gabriel C..
Despite considerable efforts to develop accurate electronic sensors to measure leaf wetness duration (LWD), little attention has been given to studies about how is LWD variability in different positions of the crop canopy. In order to evaluate the influence of 'Niagara Rosada' (Vitis labrusca) grapevine structure on the spatial variability of LWD, the objective of this study was to determine the canopy position of the ‘Niagara Rosada’ table grape with longer LWD and its correlation with measured standard LWD over turfgrass. LWD was measured in four different canopy positions of the vineyard (sensors deployed at 45º with the horizontal): at the top of the plants, with sensors facing southwest and northeast (Top-SW and Top-NE), and at the grape bunches...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dew; Rain; Flat plate wetness sensor.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162008000100011
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