Plant Parasitic Nematodes
Terms
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- What is a nematode?
- nonsegmented roundworm (animal), parasitic on plants or animals, or free living in soil or water, bilaterally symmetrical, pseudocoelomic, and aquatic
- What is an endoparasite and an example?
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parasitic organism that lives and feeds from inside its host (see ectoparasite)
(lesion nematode, Pratylenchus sp., an endoparasite) - What is an ectoparasite and an example?
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parasite that feeds from the exterior of its host (see endoparasite)
(female sting nematode, Belonolaimus sp., feeding on a root) - What 3 types of stylets are there?
- stomatostylet, odontostylet, onchiostylet
- What are the parts of the stomatostylet?
- cone, shaft, knobs
- How do nematodes affect plants?
- root parasites, foliar parasites, vascular parasites, disease interactions
- What are above-ground symptoms of root nematodes?
- wilting, declining, yellowing, stunting, thinning, death, lodging, damage in patches
- What is the most damaging nematode worldwide?
- root-knot nematodes which causes galling
- What is unique about vascular nematodes?
- vectored by beetles
- What is a disease vectored by a nematode?
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corky ringspot in potato
grapevine fanleaf