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How do you treat gummosis of plants? Prevention and control
Categories :
, Chronology
When we talk about gummy we refer to a non-specific symptom of plants, which can be determined by such a number of pathologies that it cannot be specifically associated with any of these.
The particular type of exudate that comes out of trunks or branches, therefore, is a warning about the state of health of the plant, an indication that the latter is facing a period of stress or that it is suffering from some disease.
In this article, we will analyze what are the possible causes that cause gummy and how we can deal with them
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Index
How to cure gummosis of citrus trees?
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Gummosis represents a mechanism of reaction of the plant with respect to situations that generate stress (well-known is the gummosis of the peach tree, the gummy of the plum, the gummy of the apricot).
In cases like these, therefore, a linfa similar in color to that of honey will begin to come out of the plant, until it crystallizes and takes on the appearance of gum.
But what is the specific cause of stress?
The adverse situation that provokes this kind of response by the plant is not identifiable at the time the gummosis occurs.
However, we know in general what can be the causes that cause gummies:
- low temperatures: we know, in fact, that the gummosis prefers frost or humid temperatures
- Reaction to intensive pruning operations
- Attack of phytophagous insects
- presence of fungal diseases, such as chorineum
Ingeneral, our advice is to avoid water changes. We know, in fact, that these factors are some of the main causes of gummies.
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As we have said, there are many factors that cause the production of exudate and, therefore, we will have to be able to act according to the causes that have caused this reaction to the plant.
Gummy tied to pruning cuts
In this case, it will be advisable to disinfect the cut with Copper Metal (Cobre nordox PFnPE free for sale)
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Gummy caused by an attack by phytophagous insects
In the case of attack by insects such as mealybugs, beetles and other pests, gummosis tends to occur after symptoms such as sooty mold may be noticed on the plant. If gummosis is a reaction to insect attack, then it will be possible to eradicate the infestation with specific products for each pest
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How to cure gummosis of citrus trees?
While for other plants, such as stone fruits, gummosis can depend on the series of factors listed above, for citrus trees gummosis is mostly due to one pathogenic fungus in particular: Phytophthora citrophthora cause of Collar Rot (or Gummosis)
In this case, you will notice the presence of gummy substance starting from the bark of the plants, which will tend to split and sink until necrotizing.
There are 2 fighting strategies:
- action in prevention. In this case, it is a matter of implementing agronomic strategies that aim to prevent the spread of the disease, through cultivation practices that tend to create environmental conditions unfavorable to the development of the fungus, such as avoiding water stagnation.
- strategy of struggle. In this case, you can use fosetyl-aluminum to disinfect the plant's lymphatic vessels.
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