Localisation et comportement du mycélium de Taphrina deformans dans le mésophylle et sous la cuticule des feuilles de pêcher (Prunus persica)

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Abstract
The mycelium of Taphrina deformans (Berk) Tul. stands beneath the cuticule in the layer of pectic substance which spreads over the cellulosic wall of epidermic cells.It also runs within the mesophyll in the amorphous substance of pectic nature which is localized along the ridges of cells and is probably the initium of the middle lamella. This structure often remains incomplete in parasitized leaves.Hyphae do not seem to attack cellulosic walls, cuticule, or pectic substance. They seem to progress chiefly by physical means.

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