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Uplatnenie symbiotických húb glomus pri produkcii modelových zástupcov zeleniny
Nedorost, Ľudovít
This dissertation deals with the use of mycorrhizal symbiosis in the cultivation of vegetables and aims to increase the yield and quality. The literature review defines different types of the mycorrhizal symbiosis. Furthermore, the thesis describes the arbuscular mycorrhizal symbiosis (AM), its biology, and influence of mineral nutrition and impact of biotic and abiotic stresses. This description is complemented by the prospects of the AM symbiosis in agriculture. The experimental part is devoted to the evaluation of plants inoculated with arbuscular fungi. The experiment was conducted as a pot experiment in containers (2009 - 2011) with appropriate substrate and irrigation dose. In parallel, there were a few other experiments with vegetable seedlings. The evalueted parameters included: yield parameters and also nutritional parameters such as vitamin C, total antioxidant capacity and dry matter content. Very significant indicator was the assessment of mycorrhizal root colonization by the fungus. There were used different types of arbuscular fungi, as well as the combination of AM fungi with saprophytic fungi. The results were statistically processed. Based on the results, we can conclude that mycorrhiza resulted in an increase in yield of tomatoes and leeks grown in containers. There was no statistically significant effect of any mycorrhizal treatment on the dry mater content. Positive effect of inoculation was shown at vitamin C content and total antioxidant capacity. Tomato and lettuce seedlings were also positively influenced by AM fungi. Overall, the experiment can be considered as successful, because the positive effect of mycorrhizal symbiosis was proved.
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The effect of mycorrhizal nad saprotrophic fungi on yield properties and nitrogen uptake of tomato and leek plants
Kudláčková, Marta ; Albrechtová, Jana (advisor) ; Baláž, Milan (referee)
Currently looking for alternative approaches to crop production which would be in accord with sustainable development. The present thesis was aimed on testing of organic cultivation of tomato (Solanum lycopersicum L.) and leek (Allium porrum L.) by using amendment with organic maize biomass (Zea mays L.), mycorrhizal fungi and saprotrophic fungi. The effects of different combinations of microbial inoculations on nitrogen uptake, plant growth and yield were investigated in greenhouse conditions. Supplied 15 N-labelled organic matter was separated from the root system by a nylon mesh which permitted only fungal hyphae to pass through but not plant roots. In the first year experiments the treatments differed in the presence or absence of three factors: organic matter, saprotrophic fungus Agrocybe sp. and mycorrhizal fungus Glomus mosseae (Nicolaj & Gerd.) Gerd. & Trappe. Plant inoculation with Agrocybe sp. alone or together with G. mosseae increased plant growth of tomato in the presence of organic matter. Tomato yield were not increased significantly. Shoot dry weight of leek increased when plants were treated with mycorrhizal fungus G. mosseae and organic matter. Microbial inoculation did not influence nitrogen (15 N) uptake from the organic source. In following experiments, all treatments contained...
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