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Root-knot nematodes
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A. M. Varela, icipe
Is this a Minor Pest?
Yes
Minor Pest Title
Root-knot nematodes (Meloidogyne spp.)
Minor Pest Description
Relatively small galls or knots develop on roots of affected plants. Do not confuse root knot galls with naturally occurring bacterial nodules that are beneficial.
Minor Pest What to do.
- Use resistant or tolerant varieties if available.
- After harvest, uproot entire plants and destroy crop debris. Tops can be composted but any infested roots should be burnt since nematodes may survive the relatively low heat of compost heap.
- Flooding the soil for a few weeks will reduce nematode populations, as will bare fallow.
- Use mixed cropping or grow African marigolds (Tagetes spp.). These have nematicidal properties that will help to reduce nematode populations.
- Rotate with nematode resistant or tolerant crops (e.g. cereals, onions or fodder grasses).
Minor Pest Position
9
Minor Pest Firstcontent
120
Pest Type
nematodes (Pests)
Other Crops
Dolichos
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