Articles
INFLUENCE OF LIGHT INTERCEPTION ON APPLE YIELD AND FRUIT QUALITY RELATED TO ARRANGEMENT AND TREE HEIGHT
Article number
243_19
Pages
149 – 158
Language
Abstract
Yield and fruit quality were investigated in relation to leaf area and light interception at a range of inter:intra row distances from square designs to 3:1 designs at tree heights varying from 1.50 to 2.25 m and at 3 densities (2000, 2667, and 4000 trees/ha). The trial was planted in Denmark and The Netherlands.
Higher densities and square plantings promoted productivity.
Yields in Denmark and The Netherlands were similar, but fruit colour and size were less in Denmark.
Colour was reduced with increasing density and rectangularity.
Density affected fruit size only in Denmark.
Leaf size and leaf area per tree were smaller in Denmark, leaf number being the same as in The Netherlands.
Light interception was increased with density and rectangularity.
In Denmark, the lowest trees intercepted more light than the others.
Light distribution was more uniform in the square plantings.
Higher densities and square plantings promoted productivity.
Yields in Denmark and The Netherlands were similar, but fruit colour and size were less in Denmark.
Colour was reduced with increasing density and rectangularity.
Density affected fruit size only in Denmark.
Leaf size and leaf area per tree were smaller in Denmark, leaf number being the same as in The Netherlands.
Light interception was increased with density and rectangularity.
In Denmark, the lowest trees intercepted more light than the others.
Light distribution was more uniform in the square plantings.
Publication
Authors
P. S. Wagenmakers, O. Callesen
Keywords
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