The Dagger Nematode
Damage to Corn. Dagger nematode is a common
associate of corn in the United States. Crop losses are hard to measure,
however, because the nematode usually occurs with other known pathogenic
Biology. X. americanum is a long,
didelphic nematode up to 2 mm long. There is speculation
that the life cycle takes a year or more to complete.
Ecology. Dagger nematodes are found in
Damage to other crops. Xiphinema
has a wide host range, being an important pest in many other crops.
Control. Annual cultivation of fields
may disrupt the life cycle of this nematode, resulting in reduced populations.