Crepe Myrtle Diseases Australia
It is important to be mindful of roots and trunks when whipper snippering or mowing around them as can sometimes be seen when residents have gotten a little too close to their crepe myrtle street trees with the mower.
Crepe myrtle diseases australia. In warmer areas flowering can start from late spring and finish in autumn. What happens is if you heavily prune your crepe myrtle tree it will cause the tree to put all their energy into growing new leaves and limbs. This fungal disease grows on the sweet substance excreted by white scale or other sap sucking insects such as aphids whiteflies or mealybugs. Heavily infected flowers may fail to open.
Initially the infection begins as sporadic circular and powdery white spots. Powdery mildew is one of the most common problems of crape myrtle and it is caused by the fungus erysiphe lagerstroemia. Sooty mold is a fungus that covers the leaves and looks like you just sprayed your crepe myrtle with asphalt. This sooty substance is mold and it is caused by a fungi that grows in insect secretions.
One of the most common diseases that affects crepe myrtle is powdery mildew. If crepe myrtles suffer damage to their roots or trunk they may sucker. In areas of higher humidity or less air flow this has been more of a problem. It causes white or grayish powdery coat on the leaves.
Want to see more southern living videos. To prevent this crepe myrtle disease you can use insecticides formulated for the specific pests or you can wash of the soot fro the tree. The lagerstroemia indica species of crepe myrtle are probably the most widely available in australia and flower in a range of colours white red pink and deep mauve. If your crepe myrtle is affected by white scale it may develop black sooty mold in fact the sooty black substance may be the first sign of white scale on crepe myrtles.
The crepe myrtle flowers. The crepe myrtle lagerstroemia indica is another searles favourite in the flowering tree family. Lagerstroemia indica can be susceptible to powdery mildew. Instead it grows on sticky honeydew secreted by sucking insects like aphids scales and white flies that do feed on the leaves.
Subscribe to our chann. Crepe myrtles are deciduous flowering profusely with compact crepe like blooms throughout the hot summer months then losing their leaves in late autumn to show off another draw card its textured bark. This means that no energy will be expended by the tree for flowers which causes the crepe myrtle problems. Lucky this sooty substance will not destroy your tree but will make it look bad.
Crepe myrtles come in all different colors and heights so find the one that s right for you. When planting a new crepe myrtle be careful not to plant the tree too deep into the soil. This is seldom a good idea the mold doesn t feed on the foliage.