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Sclerotinia rot

Sclerotinia rot

Fungus

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 : Rots with mould (fungi and oomycetes) (Damage and symptoms on the host) Root and collar rots (Damage and symptoms on the host)

Scientific name : Sclerotinia sclerotiorum

Other names : White mould

Polyphagous fungus attacking hundreds of species, notably lettuce, bean, sunflower, oilseed rape, carrot, tomato and cucurbits. It causes a soft, watery rot covered with white cottony mycelium in which black sclerotia the size of a rice grain develop. These sclerotia remain viable in soil for several years and produce small cups that release spores in cool, damp weather.

Crops affected : Bean, Carrot, Cucumber, Lettuce, Pea, Quinoa, Rapeseed (Canola), Soybean, Squash / Pumpkin, Sunflower, Tomato, Zucchini

Source : Sclerotinia sclerotiorum (SCLESC)[Overview] — EPPO Global Database — EPPO Global Database

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

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

Pea Zucchini Squash / Pumpkin Rapeseed (Canola) Bean Sunflower Lettuce Cucumber Quinoa Soybean Tomato Carrot

Opportunists of the same crops

Tomato spotted wilt virus Pink hibiscus mealybug Stolbur (bois noir) Cotton bollworm (Helicoverpa) Cucumber mosaic virus Brown marmorated stink bug Powdery mildew Chilli thrips Root-knot nematodes Aphid Beetles Melon fly

← Referenced opportunists