A major use is in the control of fireblight on apple and pear trees.

This species of tree is very susceptible to fireblight, a bacterial pathogen.

Leaf rusts and fireblight are among the many foliage diseases to affect this species.

Imports from New Zealand have been disallowed under quarantine regulations for fireblight since 1921.

Overcrowding and lack of light and air could encourage two diseases, either apple scab or fireblight.

Fireblight is a systemic disease.

C lucidus is prone to fireblight, leaf spot, scale insects and spider mites.

"Galls and fireblight on her!"

Fire blight, also written fireblight, is a contagious disease affecting apples, pears, and some other members of the family Rosaceae.

'Laxton's Superb' (England; no longer used due to high susceptibility to fireblight)

In years when late flowers of Amelanchier overlap those of wild roses and brambles, bees may spread bacterial fireblight.

Among the most serious disease problems are fireblight, a bacterial disease; and Gymnosporangium rust, and black spot, two fungal diseases.

It has become rare in North America due to its susceptibility to fireblight disease caused by the bacterium Erwinia amylovora.

'Seckel' (USA; late 17th century Philadelphia area; still produced, naturally resistant to fireblight)

Like many other genera in Rosaceae tribe Pyreae, Toyon includes some cultivars that are susceptible to fireblight.

A well-known member of this genus is the species E. amylovora, which causes fireblight on apple, pear, and other Rosaceous crops.

Since pyracantha belongs to the Rose Family, it does have that unfortunate trait of susceptibility to fireblight disease, one of the chief causes of berry-bearing failure.

The tree is very hardy and the fruit has a good resistance to scabs, but is at risk of developing canker caused by the Nectria fungi and fireblight.

And where the fireblight has not devastated the population, the handsome mountain ashes are hung with clusters of bright red berries so appealing to the birds, which like to fatten up on them before their long migratory journeys.

He once took a Tasmanian apple into the Federal parliament in protest against legalising the import of New Zealand apples which have been banned in Australia for 80 years because of bio-security risk reasons, notably the Fireblight disease.

It fell somewhat out of favor due to its dull coloration, irregular shape, tendency of the thin skin to allow bruising, and lack of disease resistance, specifically subject to bitter pit and blossom fireblight, but resistant to woolly aphid and somewhat to scab.

But before he could get any sort of a decent aim, the great tree wilted, rotted, and fell into the water in a shower of dead leaves and punky sticks and chips, as if it had been attacked all at once by mildew, black spot, canker, fireblight and the Titanian mold.

Fire blight is not believed to be present in Australia though it might possibly exist there.

Fire blight is especially persistent during warm, wet weather.

Don't let the possibility of fire blight scare you away from growing this tasty fruit, though.

Botrytis disease may be found on tulips; it is also called fire blight.

Initially copper sprays were used for fire blight control in the 1930s but this method had limited success.

Here most of his work was with bacterial or fire blight of pear.

The second year, the apples got fire blight, a disease that makes the trees look as if fire has been set to their branches.

Another disease, fire blight, kills young shoots and reduces the tree's ability to survive severe weather.

It is also considered highly susceptible to the Enterobacteria fire blight and has been used as a test species to trial new methods of control.

Already, though, plant pathologists at Cornell have determined that some of the wild trees are resistant to fire blight.

The rootstock is very susceptible to fire blight and can develop burr knots.

The plant can suffer from fire blight.

Brown Snout is very susceptible to fire blight.

If the plant succumbs, plant elsewhere with a hybrid that is resistant to fire blight.

The three worst diseases of apples are fire blight, cedar-apple rust and scab.

It is a cultivar that is susceptible to bitter pit, and fire blight.

It is susceptible to collar rot and fire blight and should not be planted in a wet site.

He introduced Erwinia amylovora as the causal agent of pear fire blight.

There is fire blight, a bacterial infection, to worry about, and viruses and borers.

The name fire blight is an apt description of the blackened flowers, leaves and twigs, which look as though they were burned.

Pruning pyracantha during dormancy will minimize the chances of spreading fire blight.

Certain biological controls consisting of beneficial bacteria or yeast can also prevent fire blight from infecting new trees.

In parts of Europe where fire blight was previously unknown, cultivated specimens of this species are among the first plants identified as infected.

Fire blight, also written fireblight, is a contagious disease affecting apples, pears, and some other members of the family Rosaceae.

Fire Blight Q. The new leaves on my weeping crab apple look burned and deformed.