fire blight Flashcards
what plant family does it damage?
Rosaceae family.
pears
hawthorns
Cotoneaster
what plant family does it damage?
Rosaceae family.
pears
hawthorns
Cotoneaster
signs of damage are?
branches wilt
leaves turn chestnut brown
can cause death of tree in 6 weeks-resembling appearance of a burnt tree.
slime produced on branches in humid weather
life cycle and spread
bees spread it as they pollinate
aphids
small droplets of rain
humid conditions in summer/autumn
sites of infection?
stomata and lenticles
flowers in pears
the sites of slime
control methods
remove badly infected plants
pruning 60cm below area of early infection
seal wounds with protective paint
sterilize tools
signs of damage are?
branches wilt
leaves turn chestnut brown
can cause death of tree in 6 weeks-resembling appearance of a burnt tree.
slime produced on branches in humid weather
life cycle and spread
bees spread it as they pollinate
aphids
small droplets of rain
humid conditions in summer/autumn
sites of infection?
stomata and lenticles
flowers in pears
the sites of slime
control methods
remove badly infected plants
pruning 60cm below area of early infection
seal wounds with protective paint
sterilize tools.
what will you see if you slice the stem?
a brown stain