Plum diseases — prevention and treatments
No matter how cared for, the gardeners planted on plots of crops, fruit trees will still be exposed to different diseases.
To make it easier to treat them, you should know the symptoms and causes of disease.
Plum trees are particularly prone to invasion of pests and diseases of different nature.
Below are just a brief description of the diseases of plum and some recommendations for beginner growers.
This disease has another name – «kamedetechenie». If the tree is «wept», then he has serious problems.
The reasons that caused gomos: soil, saturated with fertilizer, or excessive humidity. The last factor contributes to the development of fungal diseases. This culture does not tolerate severe frosts.
Out frozen old tree can also result in the gum. And the stronger signs of bacterial blight, the more serious the problem, in the advanced form the disease of plums can lead to death of the plant.
A medical event. First, it is necessary to create comfortable conditions for the development of the plums. Secondly, you need to regularly inspect plants.
Too damaged branches better without regret to remove. «Mornings», from which exudes gum, is treated with copper sulfate (1%) or obscure garden pitch.
Prone to disease fruits cease to develop and quickly wither. Do not miss the fungus and leaves growing on them red spots. The affected leaves turn brown, wither and fall off.
The cause of the disease can be called great moisture – rainy or waterlogged terrain. And another reason may be the negligence of the gardener.
If the tree remains unharvested «sick» leaves, and there wintered spores even moderate humidity can harm the sink.
A medical event. The primary preventive measure is thorough cleaning of the fallen leaves. Stem digging earth do spring and autumn.
To avoid kokkomikoza regular spraying: before opening the buds, before bloom and after harvest. Suitable liquid Bordeaux or copper oxychloride.
The shot-hole disease
This disease is called perforated spot. Brown spots as you grow as would «eat up» all that they are impressive (buds, leaves, fruits, branches). In place of these «burns» appears gum. Everything that touches the spot, dies.
Reasons. If last year was signs of damage to plums in this disease, this tree will probably get sick, as the spores penetrate deep into the wound and have a great winter there.
And perforated spotting can bring wind or rain. Carriers are insects that travel from tree to tree.
A medical event. Early detection and take necessary measures. Remove affected leaves and fruits. Conduct sanitary pruning of plum and thinning of the crown. Spray solution topsin-M, copper oxychloride and Bordeaux liquid (twice – after flowering with an interval in 2 weeks).
On the neck and the roots are sometimes formed growths, which do not allow the tree to flourish. If such formations have appeared on the seedlings, they will not take.
Reasons. Carriers of cancer are the bacteria that live in the soil. They penetrate into cracks and other wounds on the roots and they quickly multiply.
Especially good breed colonies of bacteria in dry weather. Beneficial
the environment can become slightly alkaline soil.
A medical event. Upon detection of growths their brushes, and the affected area treated with copper sulfate.
At planting (transplant) seedlings inventory is treated with formalin or chloramine.