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(string thinner) or fruit (drum shaker) removal with mechanical thinners was evaluated by counting all of the blossoms or fruit in the upper and lower canopy regions of the tagged scaffold immediately before and after thinning. Reduction in fruit set was

Dormant spur-wood pruning severity impacts on vegetative growth, blossom intensity and fruit weight of ‘Honeycrisp’ apple trees Acta Hort. 903 681 687 Paradis, E. Claude, J. Strimmer, K. 2004 APE: Analyses of phylogenetics and evolution in R language

selective removal of fruiting spurs and canes. Enological performance. Wines have been produced from ‘Itasca’ berries since 2009. A standard protocol was used for the microvinification each year. Berries were pressed as whole clusters in a manual, basket

sustainable vineyard production. Canopy management, whether applied by conventional or mechanical methods, may include the following practices: 1) dormant pruning, 2) shoot thinning, 3) shoot positioning, 4) cluster thinning, 5) leaf removal, and 6) hedging

markers would facilitate breeding for adaptation to such climates. In northern latitudes, woody plants undergo several gradual and concurrent developmental changes before the onset of winter, including growth cessation, dormancy induction, cold

An increased frequency of extreme and variable weather events poses a threat to winegrape production, where winter survival depends upon the ability of dormant tissue to withstand low temperature exposure and dynamically acclimate to winter

., 1993 ; Reynolds et al., 2005 ) and previously we investigated its seasonal dynamics in grapevine ( Blom and Tarara, 2007 ). Another commonly measured static variable, the mass of dormant cane prunings (e.g., Bennett et al., 2005 ; Naor et al., 2002

, and adapting, developing, and evaluating machines that mechanize canopy management practices in vineyard operations such as dormant and summer pruning, leaf removal, shoot positioning and shoot and fruit thinning. The goal was to develop systems that

collected from the Oregon State University, Woodhall Research Vineyard) mix and 1-year-old dormant vines were planted in 2009. Vines were spaced at 1.0 m × 3.2 m, and trained on a single Guyot system using vertical shoot positioning. Head height of vines was

bloom was determined on 2010 scaffolds and expressed as the number of reproductive buds per spur and the number of flowers per reproductive bud on the first 25 spurs on 2-year-old wood. The entire experiment was then repeated in 2011 on new scaffolds