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Physical Aspects of Fruit Growth

STRESS DISTRIBUTION AROUND LENTICELS

Department of Mechanical and Industrial Engineering, University of Melbourne, Parkville, Victoria, 3052, Australia, Horticultural Research Institute, Knoxfield, P.O. Box 174, Ferntree Gully, Victoria, 3156, Australia

The skin around a lenticel on a soft fruit has been modelled as a thin elastic plate with a rigid circular inclusion and applied tensile loads at the edges. A solution for the stress distribution in the skin has then been found using the linear theory of elasticity. From that solution the severity of the stress concentration and the location and form of initial cuticular failure have been deduced, the latter two being in broad agreement with observed crack initiation in the cuticle of grapes.

This article has been cited by other articles:

				M. Knoche and S. Peschel Deposition and Strain of the Cuticle of Developing European Plum Fruit J. Amer. Soc. Hort. Sci., September 1, 2007; 132(5): 597 - 602. [Abstract] [Full Text] [PDF]