Heterodera schachtii Schmidt, 1871

gall

tje roots often are abnormally short and strongly bushy branched. From mid-summer numerous globular bodies are attached, half a mm large, initially white, later yellowish brown to dark brown. They are cysts, the rear part of the females, filled with eggs. Inside the roots live numerous nematodes. Infected plants are strongly weakened.

host plants

polyphagous

Amaranthus; Arabis; Atriplex; Aubrieta; Barbarea; Beta vulgaris & subsp. maritima; Brassica; Capsella bursa-pastoris; Chenopodium album; Dianthus; Galeopsis; Helianthus annuus; Iberis; Isatis tinctoria; Lamium amplexicaule; Lens culinaris; Lobularia maritima; Lupinus; Myosurus minimus; Papaver; “Polygonum”; Portulaca.

references

Bongers (1988a), Buhr (1964b, 1965a), Dauphin & Aniotsbehere (1997a), Melgarejo Nárdiz, García-Jiménez, Jordá Gutiérrez, López González, Andrés Yebes & Duran-Vila (2010a), Tomasi (2014a).

mod 2.xii.2018