Mushrooms Trutovik birch, birch sponge

Death of birch trees in the forests of the GDR , Germany, the USSR, the USA and other countries can cause Polypore Birch . Its fruiting bodies that grow on dead fallentrees, becoming a source of infection of live birch . The infection penetrates into the affected areas on the trunk, through the broken branches or bark cracks caused by frost . Trutovik birch - mushroom annual nevertheless its fruits are often stored until next spring . What As to the spawn, then, growing inside the barrel, it gives all newand new fruits . The defeat of the tree usually spreads from its top to bottom or from the end of a branch - to the trunk . There is a red-brown rot . The wood becomes rotten, fragile, so that it can be rubbed between the fingers in the smallest red-brown powder . (In Switzerland this powder is used for polishing partshours . ) In the last phase of defeat wood splits into pellets . Trutovik birch abundantly distributed throughout the temperate zone of the northern hemisphere, where there are birch . A related but more rare species - P . rzeshetNpsh has a thin and light fruiting bodies with a sharp, rather than tucked edge of the cap . It grows on aspen . for similarVi ^ oorogiz diegstyu growing on oak trees, fruiting bodies, too, with sharp edges, but the pores are larger - 1.5 - 3 pores per 1 sq. Mm . hat has a hoof, width 5 - 20 and a height of 2 - 7 cm, with a thin, smooth, like a gray-brown or brown paper thin skin, which later covered with cracks . bent edge resembles a roller,walking around the contours of the fetus . Short whitish tubes arranged in a single layer . Very small round pores (3 - 6 mm long by 1 . ) A young whitish fungus, and then acquire an orange tint . White pulp initially like a sponge, but then becomes thick, cork prominent (2) . Taste and smell - sour . The debate (3) colorless, their size 4.5-6 / 1.3 - 2pM . In the fruit body contains two types of hyphae - Thin-walled with partitions and even solid .