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20 terms

Nematodes

STUDY
PLAY
The mouth parts of nematodes
stylet
This nemtode's body changes shape and is usually swollen
sedentary endoparasite
Root symptom damage and reduced ability of the plant to obtain water and nutrients from the soil.
Affects of nematodes
If a plant dies rapidly with the leaves still attached, nematodes usually ___________the major problem.
are not
Wilting, stunting, yellowing, thinning, dying
symptoms of nematodes
The changes and damage to the root system caused by nematodes allow these to get into the plant.
fungi and bacteria
Liriope and daylilies ______________host plants for root-knot nematodes.
are
Lesion nematodes are migratory _____________________.
endoparasites
Sting, awl, and stubby root nematodes are __________________________.
ectoparsites
Sting nematodes are found in ________________soil.
sandy
Awl nematodes are found in ________________soil.
wet
Native North Americans pines are usually ____________________ pine wilt nematodes.
tolerant of
Codiaem variegatum is usually ____________________root knot nematodes.
resistant to
Plants on which a particular nematode cannot reproduce.
Resistant plants
Plants that can be fed on by the nematode, but are not damaged.
Tolerant plants
Most references to "nematode susceptibility" in popular literature refer to ___________nematodes.
root knot
Lilies are susceptible to ________________nematode.
lesion
Adding organic amendments can increase the natural enemies of nematodes and suppress the the nematodes population.
True
Adding any organic matter will release chemicals and gases that are toxic to the nematode population.
False
Replacing nematode infested soil with _________ soil will delay the infection of the new plants.
organic