Harvesting Hawthorn Berries With Blight – Seven common hawthorn planting diseases, prevention and control methods are here Hawthorn powdery mildew Hawthorn mildew Hawthorn rust Hawthorn rot Hawthorn rot Hawthorn dry rot Hawthorn leaf tip disease Hawthorn blossom rot
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Harvesting Hawthorn Berries With Blight
Hawthorn is also called mountain fruit, mountain red, its characteristics are hard core, thin flesh, slightly sour taste, it can be eaten raw or as a preserved fruit cake, dried can be used in medicine, it is a unique Chinese medicinal type of fruit and fruit in a combination of trees , with lipids in the blood, blood pressure, cardiotonic, antiarrhythmic and other effects, but also a good medicine for spleen appetizer, consumption of stagnation, blood sputum, fullness of the diaphragm in the chest, hernia, blood stasis, amenorrhea and other diseases have a good effect.
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In recent years, with increasing market demand, more and more people are growing hawthorn. Although hawthorn is very resistant to diseases, this has led to the fact that many friends do not prepare before planting, and when they encounter diseases, they panic and do not know how to prevent them. Today we will look at common hawthorn diseases.
Diagnostic points: harmful new shoots, young fruits, leaves and shoots; at first faded spots, later covered with white powder; the diseased tips are thin and curled like rolls; and diseased fruits are deformed and crack.
Pathogenic conditions: the causative agent overwinters on diseased leaves or fruit with a closed capsule; infects after spring rains and spreads through air currents.
The key to prevention and control: sweep up fallen leaves and burn them; take care of pastoral hygiene; spray with hexazol, glutazol and other fungicides before emergence and at the beginning of the disease.
Pear (pyrus Spp.) Fire Blight
Diagnostic points: fruit bunch rot, fruit branches lose water and veins, dry up and die, and dry saplings are not easy to fall off. The freckles are dark brown, and the rear ones are dry and concave, dense gray-brown small granular freckles. There are filamentous spore horns, and the junction between the diseased and healthy parts is obvious.
Conditions of pathogenesis: the causative agent is a weak parasitic bacterium; branches are the source of initial infection; next year the spots spread downward, spores are spread by wind and rain, and wounds, dead branches and dead shoots attack.
The key to prevention and control: strengthen breeding management; increase the use of organic fertilizers and phosphorus and potassium fertilizers to increase the potential of trees; combined with pruning, pruning, ventilation and light transmission; spraying with fungicides before germination.
Diagnostic points: harmful leaves, new shoots, fruits, etc.; primary orange-yellow small round spots, later enlarged; diseased spots are slightly sunken, black small granular spots; leaf back hairy rust device, leaves dry and fall early.
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Pathogenic conditions: the causative agent overwinters on leaves or branches of cypress juniper with hyphae; the following spring, a basidiospore is formed, which is spread by wind and rain.
Key to prevention and control: Cut the surrounding vector host, spray fungicide on vector host before germination and spray triazole fungicide at onset of hawthorn disease.
Diagnostic points: harmful branches; the spots are reddish-brown, moist, dehydrated and shriveled in the later stages, and small black dots with tendril-like spore horns are formed on them.
Pathogenesis: The causative agent overwinters in the bark of branches and trunks with conidia and scales of ascomycetes; spread by wind and rain.
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The key to prevention and control: protection of shears and branches, spring pruning and cleaning of the garden, spraying with fungicides, preferably a high concentration of Bordeaux liquid and 5 Baumeric sulfur compounds. Eliminate germs and reduce the amount of latent bacteria in the tree. In the winter, the tree whitens in time, and in the spring, before the tree sprouts, the diseased areas are scraped off, the diseased branches are cut off, and the orchard is destroyed. During the growing season, fungicides are sprayed to prevent and control, remove disease spots in time and prevent strong trees. Reasonable fertilization, reasonable irrigation, reasonable load, reasonable pruning, selection of cold and disease resistant varieties.
Diagnostic points: the spots are purple-red, irregular, later gray-brown, dry and sunken, densely covered with small black spots, and when wet they have gray-white spore horns.
Pathogenesis: the causative agent overwinters in the stems of branches with conidia; wind and rain spread, wounds or holes in the skin penetrate.
The key to prevention and control: grow strong seedlings, strengthen cultivation management and spray with 800 times diluted immune-yielding Pulutong® plant protein (that is, 15 g of culm ® with 12 kg of water) to improve the plant’s disease resistance. wood. Improve soil, improve water holding capacity, irrigation in dry season, flood prevention in rainy season. Trim and scrape the spots properly. The entire wound can be repeatedly rubbed with garlic or sprayed with other fungicides to disinfect the wound. The liquid medicine fills the roots. It is generally best to do this twice during the year, once from late March to early April and once from late July to early August. Or any time during the fruit tree’s growth period.
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Diagnostic points: initial brown, almost rounded, clean and neat edges of the spot; late gray, irregular, scattered small black dots, leaves may turn yellow, early autumn.
The key to prevention and control: strengthen cultivation management, increase tree potential, sweep fallen leaves, reduce the source of overwintering bacteria; spray of fungal esters, chlorhein and manganese zinc.
Diagnostic points: reddish-brown or yellowish-brown spots, when the weather is humid, the lesion appears as a white to gray-white mold, causing drying and rotting of leaves, new shoots, young fruits and flowers, the surface of young fruit is covered with mucus, and rotten fruit has an odor sediment.
Conditions of pathogenesis: the causative agent overwinters in the form of pseudosclerotia on the ground zombie fruit; the following spring, an ascomycete disc is produced from a diseased zombie fruit in a moist spot of soil, releasing ascospores and becoming the source of the initial infection; spreading through the wind and re-infecting.
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Key to prevention and control: remove diseased fruit, turn soil deeply in spring; disinfect the soil with azoxystrobin, pyrazole pyrimida, methylthiobacterizim, carbendazim, etc.; spray carbendazim once during peak flowering.
Next: Atlas of a thousand species of fish, shrimps and crustaceans updated daily For attention, it is worth collecting “14” … Hawthorns are very attractive, deciduous ornamental trees, many of which are suitable for average-sized gardens. They look fantastic in late spring, covered in their blooms, and often again in fall when the glossy fruit and fall foliage colors add more interest and color. Most produce glossy leaves.
Hawthorn is also known as May flowers and May flower. The old song “Here we go gathering knots of May” refers to the tradition of picking flowers.
Hawthorns are not too demanding about their position – they will grow in open, sunny places or in partial shade.
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They prefer well-drained soil enriched with a lot of organic matter, which retains a lot of moisture in spring and summer, does not dry out and does not soak. They grow on almost all types of soil, including chalky and alkaline.
Plant bare-root trees between November and March, and container-grown trees any time of the year, but best in fall, winter, or spring. Dig a hole 60x60cm (2x2ft) and 30cm (12in) deep. Add a layer of organic matter – such as compost or well-rotted manure – to the bottom of the hole and bury it.
Place the roots in the planting hole and adjust the planting depth so that the tree is planted at the same depth it originally grew and the root tip is level with the soil surface.
Mix more organic matter with the excavated soil and fill the planting hole. Secure the tree with a rigid tree post and two tree ties so that it is fully supported against prevailing winds. Water well, apply granular general food to the soil around the tree and add a 5-7.5cm (2-3in) deep mulch of well-rotted garden compost or bark chips around the root area. If planting in a lawn, create a circular bed without turf around the tree with a minimum diameter of 60 cm (2 feet).
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Flower borders and beds, focal point, urban and courtyard gardens, nature and wildlife gardens, cottage and informal gardens.
Hawthorns are low-maintenance trees, and once established, require little care and attention. They may need to be watered during prolonged dry spells in the summer – especially in the first few years to ensure they establish well. Feed a general granulated plant food in the spring.
They require little or no maintenance pruning except to remove dead, diseased or dying growth and to thin out overcrowded and rubbing branches. If pruning is necessary, it is best to do it anytime from late fall to early spring.
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