The Correlation of Light Interception with Yield and Fruit Color of McIntosh Apple Strains
DOI:
https://doi.org/10.71318/apom.1986.40.3.79Abstract
Light interception by a 0.89 ha orchard of regular (non-spur) and spur-type strains of McIntosh' on dwarfing (M.26) and semi-vigorous rootstocks (MM106 and MM111) was measured by fish-eye photography in the 7th and 8th growing seasons. Yield was linearly dependent on light interception by the trees. Fruit color of the non-spur strains was similar to but poorer than that of the spur-types.
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