From taking the U.C. Davis online course, I was familiar with the advantages of leaf removal. I was, however, unaware of the timing and the removal of certain leaves as well as the advantages of the canopy management system called early leaf removal.
Leaf removal is an adjustment of total vine leaf area and affects the relationship between photosynthetically active leaf area and yield and can lead to:
- Improved the cluster microclimate
- Additional sunlight penetration
- Higher temperature in the cluster
Back to disbudding work for us. Nearly finished with that task!
References:
1. Maria Smith and Dr. Michela Centinari, Early season grapevine canopy management, Part II: Early leaf removal (ELR), Dept. of Plant Science,
2. Tommaso Frioni, Shijian Zhuang, Alberto Palliotti, Paolo Sivilotti, Rachele Falchi, Paolo Sabbatini, "Leaf Removal and Cluster Thinning Efficiencies Are Highly Modulated by Environmental Conditions in Cool Climate Viticulture", Am J Enol Vitic., March 2017.
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