Northern Root-knot nematode
Damage to Potatoes
penetrate host roots where they establish a feeding site, developing into
swollen females (cysts). The female is usually pear-shaped, with a fragile
white cuticle, and may be up to 2 mm in diameter.
Ecology Root-Knot nematodes
are distributed world-wide.
Symptoms Symptoms of Meloidogyne
hapla damage in potatoes include dark
specks and reduced potato quality.
Damage to other crops. Meloidogyne
species are also damaging pests of tomato and corn.
Control. Good control
of some species has been obtained with chemicals- with fumigants generally
giving better control than granular nematicides.