Common names
Meloidogyne incognita
Generally microscopic, wormlike animals that live saprophytically in water or soil, or as
parasites of plants & animals
Nematodes
Aphelechoides spp.
Foliar nematode
Meloidogyne incognita
Soil borne endoparasitic sedentary nematode
A combination of several methods is necessary for nematode management. Name a culture management often practiced?
Crop rotation, cover crops
Heterodera glycines
The Soybean cyst nematode
Nematodes are the most numerous group of animals of the earth. What % are plant parasitics?
•10% plant parasites
Ditylenchus dipsici
Stem and Bulb
Heterodera glycines
Soil born endoparasitic sedentary nematode
Management for the Root-knot nematode in field crops usually includes 3 practices
•Resistant varieties
•Crop rotations effective
•Chemical and Biological control
Rotylenchulus reniformis
The Reniform nematode
All plant parasitic nematodes have a ?
Stylet
•Aguina tritici
Seed born
–Rotylenchulus reniformis; the reniform nematode
Soil born semi endoparasitic nematode
The crop rotation for the soybean cyst includes?
Non-host crop -> Resistant variety -> Non-host crop -> Susceptible variety -> repeat
Pratylenchululs spp.
The lesion nematode
The infective stage of the Root knot nematode is the ?
J2
Belonolaimus spp.
Criconemoides spp.
Trichodorus stubby root
Soil born Extoparasitic nematodes
Above ground foliar symptoms of nematodes?
–reduced growth
–yellowing foliage
–wilting
–reduced yields
–poor quality products
Was 2 years of a crop rotation from cotton to corn or soybean as effect yield benefits as using a nematicide annually?
Yes
Aphelenchoides spp
The Foliar nematode
The greatest population of plant parasitic nematodes is
The top 15-30 cm of soil
Pratelenchus spp. Lesion nema
Radopholus spp. Burrowing nema
Hoplolaimus spp. Lance nema
Soil born endoparasitic migratory nematodes
Below ground symptoms of nematode damage
–root knot galls for root-knot nematode
lesions, excessive branching root pruning
•
Home and garden nematode managment includes?
Drop rotatioin,
Heating with plastic