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Detailed Explanation of Key Cherry Blossom Cultivation and Management Techniques
Cherry blossom is a deciduous tree of the genus Prunus in the rose family (Rosaceae). Depending on the variety, its flowering period occurs successively from March to May. The inflorescences are corymbose or racemose, usually bearing 3 to 6 flowers. Flower colors include white, pale green, pink, and red. Petals may be single, semi-double, or double, with the double-flowered ones being the most beautiful, some having more than 50 petals. The flowers are large and vivid, like clouds and rosy clouds, extremely magnificent. Cherry blossoms are mainly planted in the ground; for container growing, the pot should be deeper and larger. A mix of leaf mold and garden topsoil can be used as potting soil, and a layer of crushed charcoal pieces or crushed hard plastic foam blocks should be placed at the bottom of the pot to enhance
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Detailed Cherry Blossom Cultivation Tips: Master the Key Points for More Abundant Blooms
Cherry blossom (Prunus serrulata), also known as mountain cherry, belongs to the genus Prunus in the rose family. I. Overview: With lush branches and leaves forming a green canopy, and trees covered in large, showy blooms, it creates a lively and spectacular display, making it an important ornamental flowering tree for gardens. It has a cultivation history of over 2000 years in China. Large-scale plantings create a "sea of flowers" landscape, and both China and Japan have famous scenic spots dominated by cherry blossoms, such as cherry blossom roads and cherry blossom slopes. II. Ecological Characteristics: Native to the Yangtze River basin in China. It prefers warm, humid air and sunny
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A Detailed Guide to Planting and Cultivating Cherry Blossoms
How to cultivate, manage and propagate cherry blossoms. Cherry blossoms are sun-loving flowering trees that like sunlight, tolerate cold and drought, and prefer well-drained sandy soil. They fear wind during the flowering period, so a sheltered spot should be chosen when planting; they are generally planted in mountain gullies, beside streams and in mixed forests. Cherry blossoms have a strong heliotropic tendency, so when transplanting, the original sun-facing side must still face the sun, otherwise growth will be poor or the tree may even die. Cherry blossoms are fairly adaptable, easy to transplant successfully and relatively simple to manage. For cherry blossoms planted in the ground, water thoroughly once each year in February to March. In autumn, dig a trench 30 cm deep and 20 cm wide at a distance of 60-90 cm from the tree roots, put in some rotted compost, dried manure or barnyard manure, and apply a root fertilizer once. Apart from young trees, which need appropriate pruning, large trees should be pruned as little as possible, hence the Japanese saying, "He who prunes cherry blossoms is a fool, and he who does not prune cherry blossoms is also a fool." Because cherry blossoms flower on the tips of the previous year's branches and on several side branches of the terminal buds, even pruning should be done after flowering. For potted cherry blossoms, no fertilizer is usually applied, but some dilute fertilizer water may be given after May. In summer, when temperatures are high, spray water on the ground around the pot and on the leaves. Cherry blossoms are generally propagated by grafting. The rootstock is usually a seedling of wild cherry, apricot or cherry tree. Cleft grafting is done in spring, and bud grafting in autumn. After about 3-4 years, the grafted seedlings can be transplanted and planted out. How to prevent and control cherry blossom pests and diseases. The main pests and diseases of cherry blossoms are red spiders, lace bugs and scale insects that damage the leaves; they can generally be controlled by spraying a 600-800 times dilution of trichlorfon solution or a 500 times dilution of phosmet solution. Note, however, that pesticides such as dichlorvos and dimethoate cause obvious phytotoxicity to cherry blossoms, and applying them will cause leaf scorch and leaf drop, so they must not be sprayed.
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Control methods for stem-boring pests damaging cherry blossoms
The stem-boring pests that damage cherry blossoms include longhorn beetles and the coffee wood moth (Zeuzera coffeeae). Their control methods are: 1. Longhorn beetles. The longhorn beetles that damage cherry blossoms usually include the citrus longhorn beetle (Anoplophora chinensis), the glossy green longhorn beetle (Anoplophora glabripennis), and the peach red-necked longhorn beetle (Aromia bungii). ① Citrus longhorn beetle. One generation occurs per year. When adults emerge from late May to early June, capture the adults: before laying eggs, the citrus longhorn beetle adult first bites a notch about 2 mm deep and about 8 mm long in the bark in the shape of the Chinese character "eight" or "ding", then lays eggs inside it. During the peak egg-laying period in mid-to-late July, search for the notches on the trunk and crush the eggs.
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How do cherry blossoms reproduce? A detailed explanation of common propagation methods
Grafting is the main method, though sowing and cuttings can also be used. For grafting, cherry or wild cherry (Prunus pseudocerasus) seedlings are generally used as rootstock, with superior cherry blossom varieties as scions. Cleft grafting is mainly used, while budding is rarely adopted. Cleft grafting is carried out in March. Select vigorous 1-year-old cherry blossom branches as scions, cut them into small sections about 8 cm long, each with 2-3 plump buds. Use a grafting knife to cut two symmetrical slanted surfaces of different sizes at the lower end of the scion. One slanted surface is 2 cm long, cutting away 1/3 of the xylem; the other slanted surface is 1 cm long
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What are the control methods for cherry blossom crown gall disease?
Cherry blossom crown gall disease is also known as crown gall. The crown gall pathogen has a very wide host range, with about 330-plus species in 142 genera across 59 families. It harms more than 600 species of plants, mainly forest plants, economic forest plants and landscape plants. Peach, plum, pear, apple, Chinese rose and cherry blossom are all highly susceptible to crown gall. Flowers and trees infected with this disease have their root development affected, often causing nutrient deficiency, showing a weakened state, and finally dying. Symptoms: It mainly occurs at the root crown and on large roots, and sometimes also on lateral roots. The main symptom is the formation of tumors of varying sizes and irregular shapes on the roots.
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Cherry Blossom Pest Control Methods and Technical Key Points
1. Cherry blossom pests and diseases include the white peach scale (Pseudaulacaspis pentagona), various nettle moths, and the apple fruit moth (Phalera flavescens), among others. The white peach scale is mainly distributed in cherry blossom cultivation areas, occurs commonly, and is quite severe in individual fields. The damage has already caused the leaves to basically fall off, with pest populations at extremely high densities, appearing snow-white from both near and far. It is speculated that the first-instar nymph stage of the white peach scale should be around late August to early September. The first-instar nymph stage is the best time to carry out spray control. All growers should carry out coordinated prevention and control to keep the pest population base below the allowable economic level. Control method: spray during the nymph stage with Sujieke at 1000-1500
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Symptoms and Control Methods of Cherry Brown Spot Disease
Cherry brown spot disease, also known as cherry brown spot shot hole disease, is an important disease of cherry leaves. It was reported early in Japan and other countries. It occurs commonly on cherry trees in various regions of China, including Nanjing, Taiyuan, Tianjin, Shanghai, Chengdu, Xi'an, Suzhou, Jinan, Changsha, Lianyungang, Wuhan, and Taiwan, China, among other provinces and cities, with severe outbreaks in Wuhan, Chengdu, and Tianjin. Infected cherry leaves develop shot holes, which not only affects their ornamental value but also causes premature defoliation, affecting the plant's growth and development. The disease also attacks cherry, Japanese apricot, peach, and other stone fruit ornamental trees. Symptoms
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How to prevent and control brown spot and shot hole disease in cherry blossoms
[Distribution] Cherry blossom brown spot and shot hole disease is an important disease of cherry blossom leaves and occurs in cherry blossom growing areas throughout China. [Symptoms] It mainly affects mature leaves and also affects young twigs. Infected leaves first show pinhead-sized purplish-brown dots, which soon enlarge into circular to nearly circular spots, 1-4 mm, brown in the center, slightly with concentric rings, with purple or reddish-brown edges, and grayish-brown fuzzy dots appear on the lesions; later, an abscission layer forms around the lesions, brown mold-like growth appears on both sides of the diseased leaves, and the center of the lesion dries up and falls off, forming round small holes and producing shot hole spots,
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Occurrence Patterns and Control Methods of Cherry Brown Spot Shot Hole Disease
Symptoms: Small brown, grayish-brown, or purplish-brown spots initially appear on the leaves, gradually forming circular lesions that are non-water-soaked and opaque, with no yellow-green halo around the lesions, 2-4 in diameter, with clear boundaries and a purplish-brown outer margin. In the later stage, the center turns white or brown, slightly zonate, and the lesions die and fall off, forming irregular shot holes. 2. Occurrence patterns: The pathogen overwinters on fallen leaves and spreads by wind and rain in the following spring. The disease begins in June, with the peak period from August to September. Heavy rainfall promotes disease occurrence and epidemic, and weakened tree vigor leads to severe disease. 3. Control methods:
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