Pistachio root beetle pest
Pistachio root beetle pest
If the trees are decaying for no apparent reason and there Iranian Pistachio are no signs of pests or diseases on the branches and leaves, the cause is most likely to be found in the roots of the tree. In this situation, the soil around the tree should be removed from one side, and care should be taken to ensure that the bark of the tree trunk is light and dark in the part that is under the soil.
If the bark of this part and the lower parts are easily peeled off or brown sap comes out of it, the tree is infected with gum, otherwise its roots should be sampled and taken to a pest testing laboratory to determine if there is any damage. Whether there are root beetle larvae in it or not. Pistachio root beetle
Pistachio root beetles are large beetles that are black in color and have scattered white spots. They are sedentary and can be caught by hand. The damage of this beetle is related to the larvae that when they hatch, they pierce the roots of the tree and eat the cambium (the part that causes the roots to grow). The pistachio root beetle can be seen in gardens that are late They are irrigated and they are not well cared for in terms of fertilization, pruning every year and turning the soil around the tree (clearing).