Syringa Leaf Disease Symptoms and Control Methods
If you want to know about the symptoms and control methods of syringa leaf disease in green plant and flower planting, it's a great piece of knowledge. Consider bookmarking it!
Syringa Leaf Disease Symptoms and Control Methods
When syringa leaf disease occurs, black streaks will appear on the branches, the inflorescences will turn black and become soft, and the symptoms on the leaves will vary. There may be spot-like, star-like, or flower-like spots on the leaves, and the whole leaf may turn brown and wither. Syringa leaf disease can be cured, but it is necessary to drain water promptly, ensuring no standing water on the ground after rain. You can spray Bordeaux mixture once at the early stage of the disease.
Syringa Leaf Disease Symptoms
When syringa leaf disease occurs, black streaks will appear on the branches, the inflorescences will turn black and become soft, and there will be various symptoms on the leaves. There may be spot-like, star-like, or flower-like spots, and the whole leaf may turn brown and wither.
Syringa Leaf Disease DamageSyringa leaf disease is a bacterial disease, mainly affecting leaves and fruits, as well as branches and inflorescences, severely affecting the plant's aesthetics.
Causes of Syringa Leaf Disease
The causes of syringa leaf disease are usually viral. The pathogen overwinters on the diseased branches and leaves of the plant and will reproduce by schizogony when the temperature and humidity conditions are suitable in the following year. The spread and invasion of the pathogen rely on water, and the disease develops quickly in warm and humid conditions.
Medicine for Syringa Leaf Disease
Syringa leaf disease can be cured, but it is necessary to drain water promptly, ensuring no standing water on the ground after rain. You can spray Bordeaux mixture once at the early stage of the disease. If there is no effect, spray again.
Control Methods for Syringa Leaf Disease
Prevention is the main approach to controlling syringa leaf disease. It is necessary to select healthy syringa seedlings for planting. Spray Bordeaux mixture or copper amino complex at the early stage of the disease, or sprinkle bleaching powder or sulfur powder under the shrubs to prevent syringa leaf disease.
The above is specific content about syringa leaf disease symptoms and control methods. If it can be helpful to you, remember to visit the website often!