Search for dissertations about: "heterobasidion annosum"
Showing result 1 - 5 of 14 swedish dissertations containing the words heterobasidion annosum.
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1. Molecular responses against Heterobasidion annosum s.l. in Picea abies
Abstract : Norway spruce [Picea abies (L.) Karst.] is a main tree species in European forests and is important both ecologically and economically. The root rot fungus Heterobasidion annosum sensu lato (s. READ MORE
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2. Chemical defence in Norway spruce
Abstract : Norway spruce (Picea abies) responds to stress by biosynthesis of chemical substances, which can deter invading insects or pathogens. Some of these substances are volatile and can be emitted to the surroundings while others are accumulated within the tree. READ MORE
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3. Microbes Associated with Hylobius abietis : A Chemical and Behavioral Study
Abstract : This thesis is based on three inter-related studies: the first part deals with the microbial consortium, the identification of microbes and their volatiles, the second part deals with the study of bio-chemical control methods of two conifer pests; the pine weevil Hylobius abietis (L.) and the root rot fungi Heterobasidion spp. READ MORE
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4. Induced defence responses in Picea abies triggered by Heterobasidion annosum s.l
Abstract : Norway spruce [Picea abies (L.)Karst.] is a key tree species for forest industry in Europe and stem and butt rot caused by Heterobasidion parviporum (Fr.) Niemelä & Korhonen is one of its major disease problems. READ MORE
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5. Understanding virulence of Heterobasidion annosum s.l., a root rot pathogen of conifers
Abstract : Heterobasidion annosum sensu lato (s.l.) species are destructive pathogens causing root and butt rot in conifers. The species complex consists of five species: H. READ MORE