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Forest Pathology P1 - Coggle Diagram

- - - - improve tree survival
        
        unfavorable condition
        
        pathofgen
  - - - physio disturbance
        
        not part of normal physio process
    - - host cells & tissues
        
        continuous irritation
    - - physiological
        
        processive
  - - - pathogen itself or part
      - can initiate disease
      - brought in contact w/ host
    - - biotic agent
      - cause/incite disease
  - - - fungi
    - - complex fungal structure
      - contain spore
      - usually macroscopic
    - - basic reproductive unit of fungus
      - usually microscopic
  - - - evidence of biotic agent
      - the pathogen/part/products
        
        host plant
    - - manifestation of diseased condition
      - external & internal reaction or alteration
        
        result of disease
      - response/reaction
  - - - org depend on another (host)
      - get food from host
    - - org derive food from dead OM (substrate)
    - - org derive energy from sources other than sunlight
- - - - infectious
        
        transmissible
        
        biotic agents
        
        pathogens
        
        fungi
        
        non chlorophyllous
        
        heterotroph
        
        sexual or asexual (pores)
        
        usual pathogen
        no. 1 causal agent
        
        produce enzyme
        
        degrade cell wall
        
        efficient decomposer
        
        developmental stage
        
        vegetative stage
        
        hypahe, mycelium
        
        hyphae = 1
        microscopic
        
        1 more item...
        
        reproductive stage
        
        fruiting bodies
        
        2 more items...
        
        classifications
        
        oomycetes
        
        water molds
        
        not kingdom fungi na daw
        
        root diseases
        
        ascomycetes
        
        sac fungi
        
        leaf spots & cankers?
        
        basidio mycota
        
        club fungi
        
        1 more item...
        
        root rot
        
        ganoderma
        
        gall rust
        
        falcata
        
        uromycladium
        
        enlargement of infecetd parts
        
        nematodes
        
        unsegmented worm like
        
        well developed digestive & repro
        
        usually in soil
        
        pine wilt
        
        nematode carried by insect
        
        wood borer beetle
        
        bacteria
        
        unicellular microorg
        
        prokaryotes
        
        diseases
        
        gall
        
        agrobacterioum
        
        insert part of dna to host plant dna
        
        produce more cells
        
        usually rare
        
        viruses
        
        nucleprotein
        
        multiply only in living cells
        
        rna coated w/ protein
        
        diseases
        
        variagations
        
        mosaic
        
        emaravirus = poplar
        
        potyvirus tulip mosaic
        
        papaya ring spot virus
        
        common in tropics
        
        also attack papaya fruit
        
        parasitic higher plants
        
        specialized organ
        
        penetrate tissue of host plant
        
        haustoria
        
        mistletoe in ph
        
        loranthaceae
        
        most diverse
        
        amyema spp
        
        not as devastating
        
        but climate change and other impact can worsen it
      - non infectious
        
        abiotic agent
        
        environmental factors
        
        temp, moisute, sunlight
        
        nutrient deficiency
        
        lightning
        
        air pollution &
        
        aka PHYSIOPATHS
        
        unfavorable envi conditions
        
        non transmissible
    - - systemic
        
        manifested by entire plant
      - localized
        
        certain parts are affected
    - - foliage
      - stem
      - roots
      - fruits
- - - - virulent
    - - perfect
    - - susceptible