Small Bumps on Leaves and Branches Of Magnolia

Disease Information

Small Bumps on Leaves and Branches


Symptomsand damage

Scale Insects - Scale insects are sap suckers. They live beneath shiny brown waxy scales or covers that appear on leaves and stems as small bumps. Although about 10 different scale species attack magnolia, Magnolia scales are a major pest of these trees. They are the largest American scale species, up to 1/2 inch in diameter, with a white covering. Heavy infestations of scale cause underdeveloped leaves and generally weak trees. Young scales appear in late summer. The bumps are visible in the winter on the bare trees.

Management

Using Natural Insect Repellents

There are several natural insect repellents that often kill scale on contact before they build their hard shells early in the season, but then will create a bad taste for the critter and make it go someplace else to munch. Neem Oil Soap, Hot Pepper Wax, and Garlic Barrier all have this potential repellent capability when applied properly on the tops and the bottoms of leaves of the target plant. The repelling effect will last for several weeks to a month depending on the weather conditions. See the Natural Repellents in Yardener`s Tool Shed.

 

Using Natural Insecticides On Scale

AzaMax will control scale

AzaMax is a natural product with a broad spectrum of pest control and broad plant applications. AzaMax is an anti-feedant and insect growth regulator which control (kills) pests through starvation and growth disruption within two or three days. Therefore this product is used when the bugger is chomping on the foliage. Any of the sprayers can be used to apply AzaMax

 

 



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