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The peach tree is a disease, mainly to the branches, and the gum is secreted at the wound of the branch and the epidermal tissue of the branch. Generally, in spring and summer, the gum flow is slightly swollen, the cortex and xylem become brown, decay, and are easily infected with other diseases, resulting in the weakening of the tree, and the branches die in severe cases.
There are two causes of peach gum disease: one is the non-infectious source of disease, such as mechanical damage, pest and disease damage, frost damage, frost damage and other wounds, or extensive management, excessive pruning, excessive fruiting, improper fertilization, soil clay and other physiological disorders caused by the flow gum. The other is an infectious agent, caused by a fungus.
Prevention and control methods: strengthen cultivation management, apply more organic fertilizer, and increase phosphorus and potassium fertilizer in an appropriate amount. Reasonable pruning, drainage in the rainy season, timely summer pruning, ventilation and light transmission. Timely control of branch pests of peach trees, reduce pest and disease wounds and mechanical wounds.
In winter, the garden is cleaned and disinfected, the trunk is painted white, the rotten skin and wood of the hard block and its lower part are scraped off, and burned in a centralized manner.
Pharmaceutical prevention and control. Before the peach tree germinates, spray 5 Baumé stone sulfur mixture on the tree body; When the sap begins to flow, apply quicklime powder to the glue flow; During the growing season, spray 1500 times of thiophanate-methyl solution, or 1% Wuyimycin water or fruit disease for prevention; On the eve of the peak of the disease, spray 1000 times of liquid bacteria every 7 10 days to kill or clear the bacteria poison, kill the bacteria, etc., alternately spray 2 3 times.
Peach flow pus symptoms.
Symptoms of peach gum disease.
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It's a disease. 1. Cause of peach gum disease is the most common and important branch disease of peach trees. Peach gum disease is spread by fungi and spores through wind and rain, and invades from wounds and side buds, and there are two peaks in one year (late May to early June and early August to early September).
2. Prevention and control methods In winter or before the beginning of spring, completely scrape off the escap, cut the scar vertically and horizontally to the xylem after scraping, and carefully apply 50 times the antibacterial solution, or apply 402 antibacterial agent, or 65 mancozeb solution to protect the wound. Increase the application of organic fertilizer, improve the physical and chemical properties of the soil, enhance the tree potential, and improve the disease resistance of the tree. Before the bud expansion period, spray Baume 5 degrees stone sulfur mixture 1 time, and spray Baume 0 3 degree stone sulfur mixture every 15-20 days from late April, spraying 3 times in a row.
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Let's talk about how to deal with the cherry tree gum flow, the treatment is very simple, clean up the dead skin of the gum flow part!
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Prevention and control of peach gum disease: 1After picking or before germination, Piccomoctamine acetate 300 times liquid can be used to wash and spray branches to kill overwintering bacteria.
2.For branch flow gum disease, do not scrape the gum block, apply Piccomctoxamine acetate to the gum block and one centimeter around it, apply it 2-3 times at a time, with an interval of 7-10 days, apply it twice in a row, the glue flow stops immediately, and the glue block dries up and falls off by itself. 3.
When applying basal fertilizer in autumn, increase the application of well-rotted farmhouse fertilizer, apply more compound microbial fertilizer, pay attention to the application of medium and micro fertilizers, and appropriately reduce the amount of chemical fertilizer. Improve the soil environment, inhibit the infection of pathogens, and improve the stress resistance of plants.
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The root cause of physiological gum flow in peach trees is poor root development or severe root rot, which leads to a reduced ability to receive organic nutrients synthesized by leaves. When nutrients flow back to the roots, the receptivity of the root system becomes poor, and glue will flow on the rhizomes, cutting saws, and branches.
In addition, gum disease is also associated with an increase in harmful bacteria in the root soil.
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The peach tree is a disease, mainly to the branches, and the gum is secreted at the wounds of the branches and the epidermal tissue of the branches. Generally, it occurs in spring and summer, the gum flow is slightly swollen, the cortex and xylem become brown, decay, and are easily infected with other diseases, resulting in weak tree decline, and the branches die in severe cases.
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<> causes of gelatinization: harmed by various pathogens and pests; Mechanical damage, frost damage, sunburn, etc., caused by gelatinous bleeding; Improper management of orchard cultivation causes gum flow. Method:
The glue block is scraped off and then coated with a tree protector or disinfected with a Baume 4-5 degree stone sulfur mixture; Or apply Pyconoctomycine acetate aqueous solution to the scar of the peach tree and the surrounding 1 cm, and then apply it again every 7-10 days. Twig run-off gum can generally be removed by pruning.
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The peach tree flow gum is naturally secreted, or secreted by the wound under the action of external force, which is conducive to the self-healing of the peach wound, but it is also caused by fungal infection, mainly on the branches, which can harm the fruit, and in severe cases, the branches die, and the tree is obviously weakened.
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Peach tree flow gum refers to the outflow of frozen colloidal matter on the peach tree, resulting in the weakening of the peach tree, the leaves become smaller and yellow, affecting the development, losing the edible value, and the diseased part is easy to be infected by saprophytes, making the wood rot.
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It is mainly due to damage to the trunk or fungal infection, which can also be caused by natural causes or man-made causes.
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Gel flow occurs in all drupe trees, especially peach trees, which I have been exposed to the most in my 48 years. I found that there are five types of gelatins in peach trees: spring frost damage and gelatin.
2) Diseased glue flow. Gum from the infestation. Mechanical damage.
Rotten roots and resin streams. It has been suggested that there is a fungus infected with the gel. According to Zhuang and Peachtree experts' new exploration of Peachtree art, Peachtree people around the world are still debating about it.
Some say it's a physical disease, some say it's a pathogen infection. I think it is relatively rare for pathogens to infect the gums, and it is mainly a physiological disease. Gum:
I think it's the nutrient crystallization of drupe trees. Its chemical structure is different from other fruit trees. Wounds from other trees exuded water nutrients.
Whether it is gum or water, it can cause a lot of damage to trees. In particular, the trunk and branches of peach trees have severe gum bleeding, which can lead to nutrient loss and tree death. In general, swales are more severe than peach trees, resulting in more deaths.
In any cold year in late spring, as long as the temperature drops to minus 5 degrees Celsius when flowering and fruiting, some varieties with poor frost resistance, such as early red soft, red not soft, etc. There will be cracks and overflow at the five branches, and most varieties will not have glue flow. It is well known that flowering and fruiting make use of stored nutrients.
As soon as the woody part of the cortex is frostbitten, naturally stored nutrients will run out of the cracks, squeeze the cortex, and flow out. Many peach farmers scrape off the rubber blocks, apply medicine, and have home remedies, water pipes, and lime. I changed the glue again and again, but it still couldn't be cured, and the wound still overflowed.
The reason is that the cortex and wood are frostbitten, and no matter how good the medicine is, it will not work. Only by strengthening cultivation management and nourishing the leaves can the peach tree resume growth as soon as possible, the wound heals, and the natural flow of gum stops. Second, hemorrhage.
Perforations, ulcers, scabs, etc. It not only harms the fruit, but also the branches and leaves.
When the damage is severe, the glue will also flow, and these glue spots are very small. Strengthen disease prevention and cultivation management, only by strengthening tree potential combined with disease prevention and control, can we completely eliminate the invasion of pathogens and glue flow. Third, insect pests flow gum.
As we all know, small pears hurt young shoots, and there is gum in the boreholes. Bed bugs damage fruits. After a year or two of stinging, the branching cortex will flow out of the gums, and the gingival plaque will be small.
As long as insects bite the bark and hurt the wood, there will be more or less bleeding gum. To strengthen the prevention and control of pests and diseases, it is necessary to achieve early detection, early prevention, early treatment, less treatment, and good management.
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It may be that the peach tree has a bacterial infection, it may be that the peach tree has encountered a storm during flowering, or there is a disease or insect disease, which can cause gum to flow. It may be that the peach tree is over-pruned, or it may be that the management is not in place, and frostbite will cause gel flow.
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In general, it is caused by a virus and infected with the coronavirus, so if this situation occurs, you must pay attention to the inspection on time, and you can apply some bactericidal drugs.
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This may be peach gum disease. It may be caused by improper management of water and fertilizer, or it may be affected by germs, or it may be caused by frost.
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Peach gum flow is caused by parasitic fungal and bacterial hazards, such as scab disease, bacterial perforation disease and fungal perforation disease, etc., these diseases harm the branches and leaves, weaken the growth of peach trees, reduce resistance, and are very prone to gelatinous disease.
1) Pruning fruit trees in autumn, such as diseased branches that are harmed by heartworms, cannot be thrown in the field after cutting, and need to be packed in a bag to be taken to a distant location for deep burial.
2) Supplement fertilizer to peach trees, only if you apply enough fertilizer, you can hang more high-quality fruits in the coming year, and the trees that bear a lot of peaches and very weak trees need to be fertilized, and after the peach harvest is over, you will immediately apply high nitrogen and high potassium compound fertilizer to supplement nutrition.
3) Carry out water management in the field, which is easy to dry in autumn in the Jianghan Plain, at this time it is necessary to replenish water or cover the peach tree with mulch film and moisture protection.
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