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Stolbur (bois noir)

Stolbur (bois noir)

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 : Phytoplasmas and phloem bacteria (Damage and symptoms on the host)

Scientific name : 'Candidatus Phytoplasma solani'

Other names : Black wood of grapevine

Phytoplasma, a wall-less bacterium living in the phloem, transmitted mainly by the planthopper Hyalesthes obsoletus. It causes yellowing or reddening of leaves, stunting and small fruit in tomato, potato and pepper, bois noir of grapevine and lavender decline. The insects acquire it from wild plants such as nettle and bindweed.

Crops affected : Almond tree, Apple tree, Bean, Beet, Bell pepper, Cabbage, Carrot, Celery, Corn, Cucumber, Dill, Echinacea, Eggplant, Eucalyptus, Fig, Grapevine (36 varieties), Kiwi, Lavandin, Lavender, Leek, Lemon balm, Lettuce, Mint, Olive tree, Oregano, Papaya, Parsley, Pea, Peach tree, Pear tree, Pistachio, Plum tree, Pomegranate, Potato, Rosemary, Spinach, Strawberry, Sunflower, Thyme, Tomato, Wheat

Source : Candidatus Phytoplasma solani (PHYPSO)[Overview] — EPPO Global Database — EPPO

This page lists the bio-preparations in the collection that other references associate with this opportunist: Stolbur (bois noir).

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

Airén Albariño (Alvarinho) Almond tree Celery Pea Barbera Eggplant Bobal Cabernet Franc Cabernet Sauvignon Chardonnay Chenin Blanc Plum tree Clinton Peach tree Dill Echinacea Spinach Eucalyptus Bean Strawberry Grenache (Garnacha) Gewürztraminer Sunflower

Opportunists of the same crops

Xylella fastidiosa Brown marmorated stink bug Chilli thrips Pink hibiscus mealybug False codling moth Aster yellows Redbanded thrips Vine mealybug Esca of grapevine Black rot of grapevine Grape phylloxera Tomato spotted wilt virus

← Referenced opportunists