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The main content of the thesis comparing selected stands at LZ Židlochovice. Forests were compared with a predominance of English oak (Quercus robur), black walnut (Juglans nigra) and poplar stands (Populus spp.). It was not pursued only production functions, but the thesis deals with evaluation of non-production functions of forests and their social importance for the population. The results indicate that the selected forests at LZ Židlochovice have high bioproduction and sanitary-hygienic function. Conversely ecological functions - stabilization is low. In economic terms can return from the forests very high, assuming grow quality range

The thesis deals with inoculation of walnut tree with pathogenic fungi proven to cause trunk disease, which results in big economic harm to a wide range of trees worldwide. The research was conducted in the locality of Lednice. The area was planted with walnut trees, which were inoculated with the examined pathogenic fungi. The inoculation started on April 10, 2017 and was repeated on May 2, 2017. The collection of trunk samples took place at the end of the 2017 season, on October 23, 2017, where the evolution of lesions was anticipated. The presence of the relevant pathogenic organism was proved in all examined samples and was verified with reversed cultivation. All isolates used were found to be pathogenic to walnut.

The aim of this study was to determine the presence of bark and wood-boring insects on black walnut (Juglans nigra L.) with photoeklektor method. The study was on a cut trees at the Forest enterprise Židlochovice, location Soutok. All over one year. Representative samples of cut trees were deposited according to the selected tree sections into photoeklektors under laboratory conditions. There was found a total of 13 bark and wood-boring species of insects belonging to the 8 families. Of these was 6 species as prey, they was occurring under the bark predominantly in the larval stage. A more serious threat may be just from Xylosandrus germanus Blandford or identified species of the family Cerambycidae. The results showed, that timber of black walnut is therefore not in danger from the wood-boring species of insects.