biopreparados.es

Fire blight

Fire blight

Bacteria

What is an opportunist?

An "opportunist" is a population (fungi, bacteria, insects…) that takes advantage of a favourable environment to settle in, multiply and feed on it. It often develops when the natural defences of the affected organism are weakened — for genetic reasons or linked to context (water stress, deficiencies, nutritional imbalances, overcrowding…). This is typically the case in monocultures, where a single host plant, uniform and present in large numbers, offers ideal ground for it to spread.

Identification key : Bacterial diseases (Damage and symptoms on the host)

Scientific name : Erwinia amylovora

Other names : Fireblight

Bacterium affecting pome-fruit Rosaceae, especially pear, apple, quince, loquat and ornamentals such as hawthorn and cotoneaster. Blossoms and young shoots blacken and dry as if scorched, shoot tips bend into a shepherd's crook and droplets of ooze may appear. The bacterium moves into the wood and forms cankers that can kill the tree.

Crops affected : Apple tree, Ornamental trees and shrubs, Pear tree

Source : Erwinia amylovora (ERWIAM)[Overview] — EPPO Global Database — EPPO Global Database

This page lists the bio-preparations in the collection that other references associate with this opportunist: Fire blight.

Warning: the associations between recipes and opportunists come from other references (traditional practices, publications, user feedback). They are neither a recommendation nor a claim of effectiveness. There is no certainty regarding the preparation, application and use of these bio-preparations. See the regulations

No published recipe is associated with this opportunist yet.

See also

Crops

Ornamental trees and shrubs Apple tree Pear tree

Opportunists of the same crops

Stolbur (bois noir) Brown rot (Monilinia) San José scale Mites Pink hibiscus mealybug Oriental fruit moth Botrytis (grey mould) Mediterranean fruit fly Codling moth Scab Fruit tree canker (Nectria) Bacterial diseases

← Referenced opportunists