BLOSSOM INFECTION• ooze• dieback

FRUIT AND FRUITLET BLIGHT• ooze• dieback

T WIG BLIGHT• ooze• shepherd’s crook• dieback

ACTIVE CANKERS• orange• ooze• dieback

DORMANT CANKERS• dark• no ooze

ROOTSTOCK BLIGHT• ooze• tree death

FIRE BLIGHTBe aware... act early

Exotic Plant Pest Hotline 1800 084 881Email photos and questions to: biosecurity@industry.nsw.gov.au

Fire blight:what to look for

• Oozethick syrup clear to honey coloured

• Cankerssunken areas black to orange coloured

• Shepherd’s crook twig ends curled over

• Diebackleaves blackened �owers and fruitlets stay attached

• Tree death

Risk factors

• 21°C to 30°C

• Light rain or high humidity

• Late blossom

JULY AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER JANUARY FEBRUARY MARCH APRIL MAY JUNE

Dormancy Green Tip Blossom Mid Season Harvest After Harvest DormancyBLOSSOM INFECTION

FRUIT AND FRUITLET BLIGHTTWIG BLIGHT

ACTIVE CANKERSDORMANT CANKERS DORMANT CANKERS

ROOTSTOCK BLIGHT

WHEN AND WHERE TO LOOK

Phot

o: K

.D. H

icke

y

Phot

o: C

lem

son

Uni

vers

ity

Phot

o: D

avid

Pic

keri

ng

Phot

o: C

hris

tine

Hor

lock

Phot

o: U

nive

rsit

y of

Geo

rgia

Phot

o: M

. Elli

s

JN:1

0893

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2011