DISEASES OF ROOTS MIGRATORY ECTOPARASITES

Trichodorus/Paratrichodorus – “stubby-root”
Symptoms
- Root tips fed on cease to elongate, become stunted
- Lateral roots emerge from behind root tip, these are
also fed upon, become stunted and generate lateral
roots of their own => root proliferation.
- Root cap is destroyed, reduction in region of
maturation, some swelling possible.
=> results in system of short, thick segments or stubs.
-Tops develop poorly, wilt easily and produce low
or no yields.
****Important virus vector.