%0 Journal Article
%T Grape quality mapping for vineyard differential harvesting
%A Santos
%A Antonio Odair
%A Wample
%A Robert L.
%A Sachidhanantham
%A Sivakumar
%A Kaye
%A Oren
%J Brazilian Archives of Biology and Technology
%D 2012
%I Tecpar
%R 10.1590/S1516-89132012000200003
%X an experiment was carried out from 2005 to 2008, to calibrated nir-based instrumentation and explore within field grape quality variability and map potential grape quality descriptors along vineyards, as a subsidy for differential harvesting,. the quality indicators (anthocyanin content, ph, titratable acidity and soluble solids) were subject to geo-spatial modeling. subsequently, the data set was utilized to delineate "within-field" grape quality zone and to determine the timing of the harvest. differential machine harvesting was implemented and segregation of wine grapes was done "on-the-go". the approach for field prediction of grape quality parameters and zone delineation allowed for separated fermentation for at least two wine styles.
%K nir spectroscopy
%K grape
%K wine.
%U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1516-89132012000200003&lng=en&nrm=iso&tlng=en