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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Využitie symbiotických húb pre zlepšenie odolnosti sadby zeleniny
 Jasenovcová, Lenka
Mycorrhiza fungi significantly affect the health and growth of plants. Preparations supplied into the soil provide to the plants more resistance against diseases, increase number of flowers and fruits. Symbiotic fungi are powered on plant roots, thereby root area are increasing, which cause better intake of water and nutrients from the environment. Application of plant is suitable not only for ecological but also for conventional farming, where is the minimum of interventions into the soil. Experiment in this thesis is focused on symbiotic fungi, which is useful in cucumber seedlings. Two variants were divided to control and mycorrhiza. There were evaluated physiological parameters and the rate of colonization. The results show that the difference was statistically significant variation in mycorrhiza (M) at a weight of fresh roots and roots after drying. Although the seedlings were in the early stage and the differences were low, the preparation can be recommended for cultivation practice.
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GENERATIVE PROPAGATION OF SELECTED TERRESTRIALS ORCHIDS OF METHOD IN VITRO
 KYNCL, Jiří
We studied asymbiotic and symbiotic propagation of terrestrial orchids. There wasn´t found statistical effect of organic nitrogen in the form of pepton for examined species of orchid in the asymbiotic propagation. There wasn?t confirmed the positive effect of microelements and addition of carbohydrates (sucrose, glukose and maltose) on the germination of Habenaria dentata. Effects of various iron salts weren´t striking to stimulate seed of Cypripedium calceolus. The effect of different isolates of mycorrhizal fungi in the symbiotic propagation wasn´t statistically proven on investigated species of orchids. The effect of examined substrates (Akadama, volcanic sand and substrate Lukscheiter Orchid) wasn´t statistically confirmed on growth of species Spiranthes odorata and Bletilla striata, when seedling of them were moved to ex vitro conditions.
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