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memorize.ai (lvl 286)

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Section 1

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WCR symptom

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Rust

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (20)

Section 1

(20 cards)

WCR symptom

Front

pale yellow flecke (spots and bands), botton up inside out, yellow to brown needles that fall off, tufts at the end of branches

Back

Cedar apple rust host

Front

eastern red cedar / alt host- apple/crab

Back

WCR Host

Front

picea

Back

WCR management

Front

avoid low lying areas, space trees, plant in dry high elevation, reduce inoculum (remove affected branches/ trees), fungicide (prevention)

Back

Weir's cushion rust pathogen

Front

Chrysomyxa weirii

Back

WPBR management

Front

resistant species, eradication, prune lower branches, prune out cankers

Back

WPBR signs

Front

yellow powdery aeciospores blisters, honey drop spores

Back

CAR pathogen

Front

gymnosporangium juniperiviginianae

Back

CAR Signs/symptoms

Front

twig dieback, brown watery galls, orange fingerlike telial horns

Back

WCR sign

Front

Spots develop into yellow pustulates (contain teliospores)- confirms

Back

CAR Management

Front

remove least desirable host, plant resistant species, clip off galls, Chemical

Back

WPBR environment

Front

late summer, cool and damp, low lying

Back

CAR additional info

Front

heteroecious/ native

Back

rust fungi

Front

basidiomycetes

Back

WCR spread

Front

water

Back

WPBR symptoms

Front

yellow needle spots, spindle shaped cankers

Back

WCR additional info

Front

autoecious/ native

Back

White pine blister rust pathogen

Front

cronatium ribicola (introduced)

Back

WPBR additional info

Front

Macrocyclic, heteroecious

Back

WPBR host

Front

5 needle pine (pinus strobus) plus ribes

Back