Host specialization in the fungal plant pathogen zymoseptoria tritici. The coverage encompasses biodiversity, and systematic and molecular phylogeny. In conclusion, the current study indicated that the soil fungal diversity and composition of wheat rhizosphere and nonrhizosphere soil differs from one production region to the other. Fungal diversity associated with pulses and its influence. This thesis examines aspects of the diversity, distribution and taxonomy of microfungi. Effect of agricultural practices on wheat phyllosphere fungi. General effects of agronomic practices on soil fungal diversity and abundance, disease incidence.
Mycotoxins are structurally diverse compounds that appear to have different functions. In presenting this thesis in partial fulfilment of the requirements for a postgraduate degree from the university of saskatchewan, i agree that the libraries of this university. A thesis submitted to the university of manchester for the degree of doctor of. Molecular fungal diversity and its ecological function in sanddune soils. Fusarium and penicillium were the most commonly occurring toxigenic fungi although. The effects of cropping regimes on fungal and bacterial.
Fungal plant pathogens have developed diverse lifestyles in order to retrieve nutrients. Fungal diversity is an international journal which publishes papers spanning all facets of the field of mycology. It suggested that the fungal diversity in the two wheat qu samples was very similar. Variations in rootassociated fungal communities contribute to the socalled crop rotation benefit on soil productivity. Fungal diversity and community composition of wheat. Microfungal diversity was characterised in leaf litter of six tree species belonging to. Diversity of wheat phyllosphere fungi in different. A thesis submitted to the college of graduate studies and research in partial. Pdf fusarium head blight modifies fungal endophytic. We assessed the effects of chickpea, lentil, and pea in wheatbased rotations, as compared to wheat monoculture, on the structure of rootassociated fungal communities, and described the legacy of pulses on a following wheat crop. The bands corresponding to the fungal species in sample s1 appeared at the same location in sample s2, which suggested that the fungal species in wheat qu s1 were all present in sample s2. Diversity of wheat phyllosphere fungi in different agricultural. Bacterial and fungal diversity were significantly higher in bulk soil samples. Fungal diversity is the official journal of kunming.
Molecular and ecological studies of fungal biodiversity on. A thesis submitted for the degree of doctor of philosophy at. This indicates that there is an opportunity for the farmer to manage these communities with the aim of enhancing their biocontrol potential against plant pathogens such as fusarium. A comparative study on the fungal communities of wheat qu. Examining the fungal diversity of the wheat rhizosphere with both primer systems revealed that 24 different species were detected among 61 clones. Zymoseptoria grass pathogens and are unable to infect wheat. Diversity can be described and estimated from sample based observations using.
Crop rotation is a key strategy of sustainable agriculture in the canadian prairie. Fusarium head blight modifies fungal endophytic communities during infection of wheat spikes. The rhizosphere soils were abundant of pathogenic populations compared to the nonrhizosphere soil. Pdf maize is becoming more and more important crop for dairy farming as forage and as. Wheat cultivar also affect fungal composition in the rhizosphere. Proportion of fungal species in the mycoflora of maize grain. Evaluation of the fungal diversity of wheat leaves showing. Pdf diversity of wheat phyllosphere fungi in different. Chapter 1 general introduction and outline of the thesis.
The structure of the overall fungal community in wheat roots was. The fungus reduces yields but also contaminates harvests with trichothecene toxins such as deoxynivalenol don. Analysis of fungal diversity in the wheat rhizosphere by. Diversity of mycorrhizal fungi and class ii fungal endophytes in chickpea, and influence of the plant genotype walid ell. Wheat has accompanied man during 10 000 years and evolved to its present position by continuous selection and plant breeding. The intensity of the bands related to the same fungal species exhibited.980 259 783 794 471 285 244 627 141 167 768 938 957 804 712 1024 292 1495 1419 337 1461 1402 434 218 171 1309 298 449 706 1112