Raleio de cachos sobre o potencial enológico da uva 'Cabernet Franc' em duas safras.Ciência Rural, v.45, n.12, dez, 2015. ABSTRACTThis study aims to evaluate the ripening of 'Cabernet Franc's' grape berries submitted to different levels of clusters thinning in order to establish criteria that will help to define the most appropriate management for winemaking in regions above 900m. The experiment was conducted during the growing seasons of 2009/10 and 2010/11 in a commercial vineyard (28º 17' 39" S e 49º 55' 56" W, 1,230m)

Increasing the length of EM-9 interstock enhances production efficiency in Imperial Gala apples The objective of this study was to evaluate the influence of different lengths of EM-9 interstock, on the production and fruit characteristics of Imperial Gala apples more than eight years old. This experiment was conducted in a commercial orchard located in Vacaria-RS, Brazil, situated at an altitude of 955 m , during seasons 2005/06, 2007/08, 2010/11, 2011/12 and 2012/13. The treatments consisted of five lengths of EM-9 interstock (10, 15, 20, 25 and 30 cm) connecting the Marubakaido rootstock to the Imperial Gala scion. For production efficiency a positive correlation between increased efficiency and the length of interstock was observed. Likewise a positive correlation was also noted for quality parameters of the fruit; firmness and classification (Category 1). From this study we conclude that a EM-9 interstock of 30 cm on Marubakaido rootstock is the most suitable for the vigor control of Imperial Gala apples, it ensures greater production efficiency and firmer fruit.

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