Conifer Pathogens And Parasites

Front 1

What is the scientific name of Laminated Root Rot?

Back 1

Phellinus weirii

Front 2

What is a common name for Phellinus weirii

Back 2

Laminated Root Rot

Front 3

Phellinus weirii (Laminated Root Rot):

-- what are two primary targets?

-- where does it occur?

Back 3

Targets:

-- Pseudotsuga mensiesii (Douglas-fir)

-- Tsuga heterophylla (Western hemlock)

Occurs:

-- primarily coastal/west side forests

-- primarily stands of 30+ yrs of age

Front 4

A common name for Cronartium sp.

Back 4

Blister Rust

Front 5

The scientific name for Blister Rust

Back 5

Cronartium sp.

Front 6

Cronartium sp. (Blister Rust)

-- Primary Targets

Back 6

Targets:

-- Pinus lamertiana (Sugar pine)

-- Pinus monticola (Western white pine)

-- esp. in western mixed conifer forests

-- Girdles seedlings, saplings, and young poles.

Front 7

What is a common name for Tetropium sp.

Back 7

Roundhead Borer

Front 8

Scientific name for Roundhead Borers?

Back 8

Tetropium sp.

Front 9

Tetropium sp. (Roundhead Borers)

-- Primary Targets?

Back 9

True Firs

Front 10

A common name for Melanophila sp.

Back 10

Flathead Borers

Front 11

Scientific name for Flathead Borers

Back 11

Melanophila sp.

Front 12

Melanophila sp. (Flathead Borers)

-- Primary Targets

Back 12

Primary Targets:

-- Pinus ponderosa (Ponderosa Pine)

-- Pinus lambertiana (Sugar Pine)

-- Pinus jeffreyi (Jeffrey Pine)

-- Pseudotsuga mensiesii (Douglas-fir)

Front 13

A common name for Scolytus sp.

Back 13

Fir Engraver

Front 14

Scientific Name for Fir Engraver

Back 14

Scolytus sp.

Front 15

Scolytus sp. (Fir Engraver)

-- Primary Targets

-- Occurs where? (mainly)

Back 15

Targets:

-- Abies concolor (White fir)

-- Abies magnifica (Red fir)

Primarily occurring:

-- High density stands, and where root diseases are present

Front 16

A common name for Armillaria sp.

Back 16

Shoestring (root disease)

Front 17

Scientific name for Shoestring (a root disease)

Back 17

Armillaria sp.

Front 18

Root Disease: Armillaria (Shoestring)

-- What trees does it effect?

-- How does it spread?

Back 18

Effects: Most conifers and hardwoods

Spreads: From dead/dying hardwoods in root-contact.

Front 19

Scientific name for Swiss Needle Cast

Back 19

Phaeocryptopus gaeumannii

Front 20

A common name for

Phaeocryptopus gaeumannii

Back 20

Swiss Needle Cast

Front 21

Phaeocryptopus gaeumannii

(Swiss Needle Cast)

-- Primary target

Back 21

-- Pseudotsuga menziesii (Douglas-fir)

-- in 15-40 yr-old stands

-- esp. in pure stands

Front 22

A common name for Lymantria dispar

Back 22

Gypsy Moth

Front 23

Scientific name for Gypsy Moth

Back 23

Lymantria dispar

Front 24

Lymantria dispar (Gypsy Moth)

-- Primary Target

Back 24

-- Pseudotsuga menziesii (Douglas-fir)

-- esp. young stands

Front 25

A common name for Arceuthobium sp.

Back 25

Dwarf Mistletoe

Front 26

Scientific name for Dwarf Mistletoe

Back 26

Arceuthobium sp.

Front 27

Arceuthobium sp. (Dwarf Mistletoe)

-- Primary targets

Back 27

All Conifers

Front 28

Scientific name for Tip Moth

Back 28

Eucosma sp.

Front 29

A common name for Eucosma sp.

Back 29

Tip Moth

Front 30

Eucosma sp. (Tip Moth)

-- Primary Targets

-- A notable characteristic?

Back 30

Targets:

-- Pinus ponderosa (Ponderosa Pine)

-- Pinus jeffreyi (Jeffrey Pine)

-- Often causes forking in young trees

Front 31

A common name for Ips sp.

Back 31

Pine engravers

Front 32

Scientific name for Pine Engravers

Back 32

Ips sp.

Front 33

Ips sp. (Pine Engraver)

-- Primary Targets

Back 33

Targets:

-- Pinus ponderosa (Ponderosa pine)

-- Pinus lambertiana (Sugar pine)

-- Pinus contorta (Lodgepole pine)

-- Pinus jeffreyi (Jeffrey pine)

-- esp. in high density stands or where root diseases are present.

Front 34

A common name for Orgyia sp.

Back 34

Tussock Moth

Front 35

Scientific name for Tussock Moth

Back 35

Orgyia sp.

Front 36

Orgyia sp. (Tussock Moth)

-- Primary Targets

-- two notes

Back 36

Targets:

-- Abies concolor (White fir)

-- Abies grandis (Grand fir

-- Pseudotsuga menziesii (Douglas-fir)

Notes:

-- esp. in dense stands

-- possibly less harmful in stands including Pinus ponderosa and Pinus contorta (Ponderosa and Lodgepole pines)

Front 37

A common name for Choristoneura occidentalis

Back 37

Western spruce budworm

Front 38

Scientific name for Western spruce budworm

Back 38

Choristoneura occidentalis

Front 39

Choristoneura occidentals (Western spruce budworm)

-- Primary Targets

Back 39

Targets:

-- Picea englemannii (Engelmann Spruce)

-- Many true firs (Abies sp.)

-- Young Douglas-fir (Pseudotsuga menziesii)

Front 40

Elytroderma sp. (A foliage disease)

-- Primary targets

-- occuring where? (mainly)

Back 40

Targets:

-- Pinus ponderosa (Ponderosa pine)

-- Pinus contorta (Lodgepole pine)

-- Pinus jeffreyi (Jeffrey pine)

Occuring:

-- stands with low-vigor trees

-- esp. near meadows, lakes, and other openings.

Front 41

A common name for Dendroctonous sp.

Back 41

Bark Beetles (in general)

Front 42

Scientific name for the most common group of bark beetles

Back 42

Dendroctonous sp.

Front 43

Dendroctonous sp. (bark beetles)

-- Primary Targets

-- Occuring where? (primarily)

Back 43

Targets:

-- Pinus ponderosa (Ponderosa pine)

-- Pinus contorta (Lodgepole pine)

-- Pinus lambertiana (Sugar pine)

-- Pinus jeffreyi (Jeffrey pine)

-- Pseudotsuga menziesii (Douglas-fir)

Occurring:

-- After pro-longed droughts

-- near dead wood and slash

-- in high density stands

Front 44

Phytophthora (a root disease)

-- Primary targets

-- One additional note

Back 44

Targets:

-- Chamaecyparis lawsoniana (Port Orford cedar)

-- Taxus brevifolia (Pacific yew)

-- Transmitted root-to-root in subsurface watre flow.

Front 45

Eichinodontium (one of many stem-decay fungi)

-- Primary targets

-- How do they infect trees?

-- What do they do to trees?

Back 45

-- Targets all conifers and hardwoods

-- Enters through wounds or damage of any kind

-- Weakens wood, causing vulnerability to wind, snow, etc...

-- Lowers quality and quantity of merchantable wood