You have covered that the only other way to fix this completely is through fumigation--which I can't really do since I only do organic gardening. Can I at least plant any other vegetables in the same raised bed, or will it cause me any ill effects after I eat the fruit/veggies that it bears? I was also thinking of maybe removing the soil from the raised bed and move them to the big pots where I will be planting citrus plants. Then I will replace the raised bed with new soil. Would this work well or will it just cause problems to my citrus plants? I'd love your input.
THANK YOU SO MUCH, Bob! I appreciate your the you are
taking to read this.
A. Nematodes are very tough to impossible to get rid of
if you have them. I should say they are basically impossible to get rid of. Be
careful and do not move soil from this spot to other areas or you will move the
nematodes as well.
Root knot nematode on tomato |
Nematodes only infest plants, not animals so all animals are
safe around these guys. Soil solarization will help knock back the populations
but not get rid of them. There are some products like Clandosan (a naturalproduct)
which are supposed to help but I would not be too optimistic. Even with
fumigation it does not get rid of them buy just knocks them back.
Root knot nematode on mulberry roots |
Use vegetables that are nematode resistant and fruit
trees on rootstocks that resist nematodes. On vegetables they will have the
designation "N" below the name somewhere. Other letters might also
appear like "V" "F" and the like which just stands for
resistant to other pest problems like verticillium (V) and Fusarium (F), two
prominent disease problems. Nematode resistant rootstocks for fruit trees
include Nemaguard, Citation, Viking, Atlas, Myrobalan, and Marianna. Hope this
helps.
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