You can control many diseases magnolia basic precautions and timely pain management. There are more than 200 species of magnolia, and most of them are very susceptible to leaf diseases. Among these, leaf area and leaf blight are the two most common.
Magnolia Leaf Blight
Leaf blight is a common garden diseases caused by fungi. In some plants, did not cause extensive damage, but it can be very damaging to a young magnolia.
TIP:. Our gardening expert advisor, Karen Thurber added, “late blight caused by the fungus anthracnose can appear as patches of leaves, or branches of the tree when the branch, resulting in ulcers can girdle branches and cause die back. ‘
Symptoms – The first symptoms include the appearance of thread-like stars under the leaves. After the spread of rot, the leaves develop a reference, wrinkled appearance. The leaves tend to stick together, creating the appearance of crowding.
Control – you have to cut from all the affected branches. Although only a few seem blighted leaves on branches, prune away branches all over. Do not use branches for composting. Discard them immediately and even residue should not be used for gardening. Before and after each cut pruning, make sure you clean pruning tools. A dip to 10 percent bleach solution to clean them. This helps to ensure that the infection does not spread to the tree trimming equipment.
Magnolia Leaf Spot
Magnolias leaf spot caused by various fungi. Among them, the most common are Cladosporium and Septoria. This is related to household magnolia garden spots. Pseudomonas bacteria can also cause spotting magnolia leaves, but its appearance is very rare.
Symptoms – Gardens in wet conditions or exposed to constant heavy irrigation are more susceptible to attack by leaf-spotting organisms. Early symptoms include the development of small, dark spots or purplish. Ripe with white spot center and the outer edge of their dark purple. Patches for more than 5 months of fruiting bodies often cause stains appear near the leaves.
Control – You do not have to use overhead irrigation. It is known to be a common reason for creating a very humid conditions on the leaves. Pangkas-go every kind of plant and classification of weathered-out young, intertwining branches. It helps to control spots by reducing contact with diseased foliage and increase ventilation.
TIP: Karen suggested, “If you suffer from tree leaf spot, rake and remove all the leaves fall off if the tree is small enough, remove diseased leaves from the trees.”;
Diseases caused by insects magnolia
The Neolecanium, or Magnolia Scale, the most destructive pests magnolia. These insects grow in spreading thick magnolia leaves without showing any signs of their initial development. Once the crawlers emerge, they feed intensively on the young shoots and branches. Magnolia scales secrete honeydew after feeding on a tree. It provides the perfect place for black sooty mold to grow. Honeydew also attracts ants and wasps.
Symptoms – Magnolia scale feed on plants and reduce their power. You will see a reduction in the production of leaves and flowers and small leaves and black sooty mold. You may see large areas of young branches completely covered with scales.
Control – Plants sold at garden supply stores often are carriers of magnolia scale. Check the magnolia plants that you plan to use for the purpose of growing in your garden. If the tree shows signs of eating scale, use horticultural oil when the crawlers size of the stage, late fall or early spring, recommended. These are available at garden supply stores.