What are the common diseases and pests of elderberry?

Common elderberry pests and diseases

Let’s first understand what are the common diseases and pests of elderberry?

Diseases

Spot and gray spot are common diseases of elderberry. The symptoms of leaf spot disease are circular spots on the leaves, which are brown on the outside, grayish white on the inside, and have small black spots on the surface. The symptoms of gray spot disease are round or oval spots on the leaves, which are brown in color, light in the middle and darker on the outside.

Pests

The main pests of elderberry are the transparent wax cicada, the East Asian elderberry aphid, the elderberry tail moth, the leopard moth, and the red hawkmoth.

Methods for controlling elderberry pests and diseases

Disease treatment methods

For the treatment of spot disease, use thiophanate-methyl wettable granules or carbendazim visible granules in proportion and multiples for effective prevention and control. The same applies to gray spot disease. The prevention and treatment of both diseases are carried out once a week, and there will be improvement after 3 to 4 treatments.

Pest treatment methods

Different drugs should be selected for different insect pests. For example, for the damage caused by the transparent wax cicada, use the wettable powder of cypermethrin to control it; for the damage caused by the leopard moth and the red hawk moth, use the suspension of diflubenzuron to control it. For the elderberry tail moth, the insect and larval stages should be divided into different control stages.