Root-knot nematodes

Featured Photo: 
feaured_photo_co: 
University of Hawaii, www.ctahr.hawaii.edu/nelsons/Misc/
Is this a Minor Pest?: 
Yes
Minor Pest Title: 

Root-knot nematodes (Meloidogyne spp.)

Minor Pest Description: 

Various species of Meloidogyne cause galls or swellings on the fleshy tap-root. In warm climates M. incognita, M. javanica and M. hapla are the main species causing problem. The disease is a problem in carrots grown in sandy soils.

Minor Pest What to do.: 
  • Plant resistant hybrids where available.
  • Practice crop rotation with cereals and fodder grasses.
  • A 3-year stop for all Apiaceae and Chenopodiaceae crops and a 4 to 5 year stop for legumes is needed to interrupt the life-cycle of these nematodes.
  • Soil amendments with neem cake or extracts are recommended.
  • Where feasible, practice at least 1 year fallow cultivation.
Minor Pest Position: 
1
Minor Pest Firstcontent: 
160
Pest Type: 
nematodes (Pests)
Other Crops: 
Dolichos
Host Plants: 
Carrot