Search for dissertations about: "Root bioassay"

Found 3 swedish dissertations containing the words Root bioassay.

  2. 1. The Vertical Distribution of Roots, Mycorrhizal Mycelia and Nutrient Acquisition in Mature Forest Trees

    Author : Hans Göransson; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Plant ecology; Växtekologi; isotopes; Root bioassay; Mixed stands; Picea abies; Fagus sylvatica; Nutrient uptake; Quercus robur; PLFA; Root distribution; Ectomycorrhiza;

    Abstract : The vertical distribution of the nutrient uptake of Norway spruce (Picea abies (L.) Karst.), European beech (Fagus sylvatica L.) and pedunculate oak (Quercus robur L. READ MORE

  4. 2. Impact of Brassicaceae cover crops on pea root rot (Aphanomyces euteiches) in subsequent peas

    Author : Shakhawat Hossain; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : The soil-borne pathogen Aphanomyces euteiches Drechs is among the greatest threats to pea production world-wide. This pathogen can persist in soil for many years without a host plant and is very difficult to control due to its long-lived oospores and to environmental restrictions on fungicide application. READ MORE

  5. 3. Microbes Associated with Hylobius abietis : A Chemical and Behavioral Study

    Author : Muhammad Azeem; Anna Karin Borg-Karlson; Irena Valterová; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Hylobius; Ewingella; Penicillium; Heterobasidion; Bacteria; Fungi; Bark; Forest waste; Metabolites; Styrene; Methyl salicylate.;

    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