Dutch Elm Disease
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Glossary
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host
host:
Plant serving as substrate or food for nonproducing invader
host
links
Dutch Elm Disease Cycle Beetle Taxonomy
Known and potential bark beetle vectors of Ophiostoma ulmi s.l
Dutch Elm Disease Cycle Beetle DED transmission
The transmission event
Factors important for DED transmission
Host specificity
Quantity of the inoculum
Dutch Elm Disease Cycle Beetle Life Cycle
LIFE CYCLE
Flight dispersal
Twig crotch feeding
Host selection
Primary attraction
Secondary attraction
Orientation towards a suitable host
Mating and breeding
Breeding habitat
Oviposition
Larval stage
Dutch Elm Disease Cycle Elm Host respons to DED
HOST RESPONSE TO DED
Barrier zones (wall 4)
Host anatomy and DED resistance
Chemical barriers to DED
Mansonones
Dutch Elm Disease Cycle Elm DED expression
FACTORS INVOLVED IN DED EXPRESSION
Dutch Elm Disease Cycle Fungus Characteristics
Fungal metabolites
Cell wall degrading enzymes
Cerato-ulmin
Sporothrix-type spores
Dutch Elm Disease Cycle Fungus Life Cycle
LIFE CYCLE OF O. ULMI S.L.
The saprophytic phase
The pathogenic phase
Dutch Elm Disease Cycle Fungus Enemies Fungi
Fungi
Dutch Elm Disease Cycle Fungus Enemies Bacteria
Bacteria
Dutch Elm Disease Control Beetle
TARGET: DED VECTORS
Insecticides
Dutch Elm Disease Control Elm
Elm improvement by biotechnology
Induced resistance
Dutch Elm Disease Control Fungus
Biological DED control using enemies of O. ulmi s.l.
Dutch Elm Disease Epidemiology
EPIDEMIOLOGY
Dutch Elm Disease Additional Diseases Dothiorella wilt
Dothiorella wilt
Dutch Elm Disease Additional Diseases Verticillium wilt
Verticillium wilt
Dutch Elm Disease Additional Diseases Phloem necrosis
Phloem necrosis
heterothallic
hypha