Heterodora cruciferae Franklin
Nematoda, Tylenchida, Heteroderidae .
Cabbage cyst nematode, Brassica cyst nematode
- This species is a cyst nematode. Males are threadlike and about 1 mm in length. Fertilized females transform into a lemon-shaped cyst filled with eggs (about 500) and measuring about 0.5 x 0.7 mm.
- This species develops exclusively on Cruciferae and can cause severe damage to cabbage, cauliflower and rape crops.
- This nematode survives in the soil as cysts which remain in a state of diapause until new cruciferous hosts emerge.
- Affected plants turn yellow and vegetate; roots become severely distorted and exhibit numerous crumpled radicles.
DE: Kohlzystenälchen ES: Heterodera de la soja FR: Nématode des crucifères IT: Nematode delle crucifere PT: Heterodera das crucíferas GB: Cabbage cyst nematode, Brassica cyst nematode