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  • Author or Editor: Jon D. Wooge x
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Abstract

Newly expanded interior canopy leaves of apple (Malus domestica Borkh.) had lower specific leaf weight (SLW), leaf thickness, palisade depth, and number of palisade cell layers than middle or peripheral leaves from late May to early October. Leaves on the periphery of the canopy had the highest SLW values at all sample dates. Differences in leaf SLW, leaf thickness, and palisade depth between interior and peripheral leaves increased as the season progressed, primarily due to increases in peripheral leaves that developed later in the season. Regression analysis showed SLW to be significantly correlated with leaf thickness and palisade depth.

Open Access