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: [email protected]
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
-10/
2011
