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Gland-producing nematode in pistachio Iranian Pistachio root

Nematodes are roundworms with ringless and microscopic bodies that live in different habitats. The parasitic nematodes of pistachio trees feed on the roots of the plant and weaken the tree by biting the roots and sucking the contents of the cells with their spear-like mouthpieces, which are called acetyl (needle). Nematodes usually live in the soil and underground organs of the tree.

 

In California, the following four species of nematodes have been collected from pistachios (Westerdahl, Kodira, 2000), one of which, the root-knot nematode, was first reported in Rafsanjan in 1345, and it seems that more research is needed to study the fauna. Nematodes of pistachio growing areas of our country and assessment of their actual damage is needed.