| УДК |
Аннотация: Peridermium pini growing in the green, parenchymatous cortex of a young tree pine (Pinus sylvestris) has been studed by electron microscopy. The extensively branched septate hyphae are spread in the intercellular spaces and in the middle part of walls separating contigous host cells. The hyphal cells are uninucleate. The septa are simple and perforate. The septal pore is occluded by a Woronin body. This organization of the septum is similar to that of some Ascomycetes, as in the occurrence of a centriolar plague on the nuclear envelope. P. pini has in addition a structural configuration characteristic for rust fungi, namely an approximately hemispherical pore apparatus bordered by a layer of microbodies.
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