Sometimes it happens that the orange begins to wither, the leaves turn yellow, in general, it feels bad. This may be due to some diseases and pests. What orange diseases exist and how to deal with them, you will learn from this article.
In regions with a subtropical climate, the main pest of the orange is the citrus bug. It is a small insect up to 5 mm in length, along the edge of the body of which filamentous processes are located. Colonies of such pests occupy the undersides of orange leaves, leaving behind a powdery white discharge.
In the conditions of apartments, the orange can be attacked by various shields. These, again, are small insects, not exceeding 3,5 mm in size. They spread over leaves and shoots. If the plant is severely affected, brown or yellow scales can be seen in the habitat, which are difficult to separate. Another pest is the spider mite. It is the smallest of all the aforementioned pests, but it actively reproduces and covers the leaves with a thin cobweb.
There are also aphids, thrips, some types of mites – these are all parasites that can damage the plant.
If an orange is affected by these pests, it may stagnate, its shoots may become deformed, and the leaves curl. To avoid such a misfortune, it is recommended to carry out prophylaxis, which consists in creating high humidity for the orange, and regular inspection. It is worth fighting with them with the help of broad-spectrum insecticides, such as aktara, intavir. The scabbards may not respond to these drugs and should be removed manually using a brush moistened with alcohol.
Diseases of the orange.
This culture can be affected by many types of fungi and viruses, but the most dangerous disease, and at the same time the most common, is gommosis, also known as gum disease.
With such an ailment, areas of the bark of an orange tree die off, from where a sticky liquid of golden yellow color is released – gum. This disease appears due to various fungi that settle at the root collar and layers of wood. Deep landing, insufficient drainage, mechanical damage can provoke the appearance. To fight, you first need to get rid of the external cause, and then, with a small affected volume, the wound is cleaned out to a healthy layer of tissue. After they are disinfected, they are covered with garden pitch. If the plant is seriously affected, it is better to burn it.
Among other things, oranges can suffer from fungal infections such as wart, anthracnose. These diseases are treated with fungicides.
If the plant is infected with a viral disease such as tristates, the best way out is to destroy it.
Proper crop maintenance will reduce the likelihood of orange diseases and pests.
