1/10/09

KNOWLEDGE EXPECTATIONS FOR PEST CONTROL ADVISERS: NEMATODES
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NEMATODE DESCRIPTIONS

General Morphology

Describe the relative size of plant feeding nematodes. (REVIEW)

Name five to six life stages of plant parasitic nematodes. (REVIEW)

Describe the shape and size of the following nematodes at different life
stages:
root-knot nematode; (REVIEW)
cyst nematode; (REVIEW)
lesion nematode. (REVIEW)

Describe how shape of nematode affects the choice of extraction
method. (REVIEW)

Define vermiform. (REVIEW)

Describe the major difference between the vermiform stage and other
nematode life stages. (REVIEW)

Describe the feeding apparatus of plant parasitic nematodes and how it
is used to feed on plants. (REVIEW)

List two groups of nematodes by common name that exhibit sexual
dimorphism. (REVIEW)

Describe the differences in shape between males and females in
nematodes that exhibit sexual dimorphism. (REVIEW)

Describe how nematodes move. (REVIEW)

Life Histories

List the major environmental/ecological factors that influence the
time it takes a nematode to complete its' life cycle. (REVIEW)

Identify the host of some non-plant parasitic nematodes. (REVIEW)

Define:
ectoparasite; (REVIEW)

1

I.

A.

B.