nematodes

Question

What are “nematodes” and are they beneficial for fruit bearing plants, or are they some kind of amphibian?

Answer 1

Nematodes look like microscopic worms and exist in most soils. Some are very helpful to your garden because they attack pests, while others can be harmful to your garden because they attack your plants.

Here is an article that has more information on them:
https://www.gardeningknowhow.com/plant-problems/pests/insects/root-knot-nematode.htm