Technical Report
 

Yield Adjustment Research [1994-1995]

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https://ir.library.oregonstate.edu/concern/technical_reports/kp78gh76n

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  • Variability in fruit set and yield is a serious problem in Oregon viticulture, particularly with Pinot noir. Climatic variation during the flowering period contributes significantly to this problem by affecting fruit set and cluster weight. Cool wet weather during bloom results in poor set, small clusters, and low yields. Seasons with warm dry weather often have good set but yields are often above desirable levels with the potential to interfere with wine quality. Commercial vineyards in Oregon deal with excessively high yields by removing excess crop with hand cluster thinning. However, they lack tools for compensating for low yield years and as a result frequently have yields below profitable levels. The objective of this trial was to investigate the potential of the Scott Henry divided canopy system as a base for a yield adjustment system and to test partial canopy removal as a method of crop reduction.
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  • Price, S., Watson, B., & Valladao, M. (1995). Yield Adjustment Research 1994-1995. Oregon Wine Advisory Board Research Progress Report.
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