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mrc<br />

rc<br />

rc<br />

a b<br />

c d<br />

13 Root Surface in Ectomycorrhizas 213<br />

met<br />

Fig. 2a–d. Root cap formation of several Pinaceae. a Long root of Picea abies with nonsuberized,<br />

decaying root cap cells; b long root of Larix decidua at resting stage with<br />

metacutization of root cap; c short root of Pinus sylvestris with suberized root cap cells<br />

containing phenols; d root budding in Picea abies from below a hyphal sheath, bud covered<br />

by suberized root cap cells (scale 15 mm). hs Hyphal sheath, met metacutization, mrc<br />

moribund root cap cell, rc root cap<br />

rc<br />

rc<br />

hs

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