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Cherry Blossom Spring Planting Methods and Key Technical Points
These past few days, the cherry blossom I grow in a pot at home had just grown a few leaves when it suddenly wilted badly. Why? Reply: This kind of problem may be caused by poor control of fertilizer and water, and it is also related to the planting season. For cherry blossoms, May to June and September are best, and sandy loam soil that does not contain brick or stone is preferable. 1. Watering: Cherry blossom roots are shallow and not tolerant of drought. During the growing period, they must not lack water, especially during the dog days of summer, otherwise they will bloom less. However, too much water and fertilizer makes waterlogging especially easy, and it also easily causes excessive vegetative growth, an untidy plant shape, and affects the overall effect, so watering should be kept at the right level.
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What are the control methods for trunk-boring pests of cherry blossoms?
The longhorn beetles that harm cherry blossoms usually include the star longhorn beetle, the glossy-shouldered star longhorn beetle, and the peach red-necked longhorn beetle. 1. The star longhorn beetle has 1 generation per year. When adults emerge from late May to early June, capture the adults: before the star longhorn beetle adult lays eggs, it first bites a notch about 2 mm deep and about 8 mm long in the bark in the shape of a "" or "", and then lays eggs inside it. During the peak egg-laying period in mid-to-late July, search for the notches on the trunk and destroy the eggs. During the stage when newly hatched larvae are active in the cortex, use a grafting knife to pick the larvae out. For larvae that have bored into the xylem, it is necessary to
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What are the control methods for cherry root gall disease?
The gorgeous cherry blossom is deeply loved by people, but it is prone to a deadly root gall disease. This disease mainly occurs on the roots and on the trunk and side branches of the aboveground part of the cherry tree. In the early stage of the disease, the root crown swells into spherical or hemispherical tumor-like growths; young galls are white, soft in texture, and smooth on the surface. Later the galls gradually enlarge, become hard in texture, brown or dark brown, with a rough, cracked surface, and spread gradually from the root crown to the main root, lateral roots, and even fibrous roots, with each node swelling into tumors of varying sizes, causing the cherry tree to grow slowly or even stop growing, and the whole tree dies within 3 to 5 years
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What are the control methods for cherry root cancer?
How to control cherry root cancer? The tumor at the root crown of cherry is caused by a bacterium of the genus Agrobacterium, known as cherry root cancer. The most obvious symptom of this disease is the formation of spherical or hemispherical tumors at the root crown. In the early stage, the tumors are white and soft, then gradually enlarge and become lignified. The surface of the diseased tumors is rough, brown or dark brown. Cherry root cancer often causes poor growth of the aboveground part of the plant, yellowing of leaves, and in severe cases, plant death. The pathogenic bacteria of cherry root cancer survive and overwinter in the surface layer of the tumors of diseased plants and in the soil. When the surface layer of the tumors is decomposed
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Control Methods for Spider Mite Damage on Cherry Blossoms
How to control the damage caused by spider mites to cherry blossoms? The spider mites that harm cherry blossoms are mostly hawthorn spider mites, also known as hawthorn red spider mites. Spider mites mainly damage cherry blossom leaves. In early spring, the adults and nymphs gather on the undersides of leaves, piercing their mouthparts into the leaf tissue to suck sap, causing the damaged leaves to show chlorotic spots; in severe cases, the leaves scorch and drop early. The female adult of the hawthorn spider mite is 0.5 mm long, oval in shape, with a total of 26 setae on its back. The body is red, with winter and summer forms: the winter form is bright red with a silky sheen; the summer form is red when molting, and after feeding
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How to deal with root nodule disease in cherry blossoms? Detailed explanation of prevention and control methods
Last spring, when planting cherry blossom seedlings, the author found that the roots of some plants had nodular growths. Their symptoms were varied in shape and size, brown to dark brown in color, with rough surfaces, and some showed cracked patterns. The affected areas were on the ground or near the root crown at ground level, and at the graft union between the rootstock and the scion. Affected plants showed poor growth and stunting. After identification and diagnosis, the author believes this is root nodule cancer disease, and the seedlings should be treated before planting. The methods are: 1. For suspicious seedlings, soak the roots in a 1% copper sulfate solution for 5 minutes,
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Variety Characteristics and Planting Methods of the Red-Leaf Cherry Blossom
The red-leaf cherry blossom is a variety of the magnificent cherry blossom. After many years of selective breeding abroad, its traits have become stable. The flowers are very large, pale red, double-petaled, and have long stalks. In Shandong, it blooms in April and May, with the flowers opening before the leaves or at the same time as the leaves, and the blooms are large and showy. After the leaves emerge, they are dark red in early spring, bright red from May to July, gradually turning deep purple in the hot and rainy season, and the leaves are large and thick, turning orange-red when frost arrives in late autumn. The red-leaf cherry blossom is best propagated by grafting and cuttings. Grafting can be done between March and April or between July and August
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What to Do About Slug Moth Caterpillars Harming Cherry Blossoms? A Detailed Guide to Prevention and Control Methods
What harm do slug moth caterpillars do to cherry blossoms? How can they be controlled? Slug moth caterpillars mainly cause damage by their larvae chewing on cherry blossom leaves. Newly hatched larvae gather in groups to gnaw the leaf flesh, leaving the epidermis behind; after growing larger they disperse and cause damage, and in severe cases they can eat all the leaves on an entire branch. There are many species of slug moths that harm cherry blossoms, including the brown-edged green slug moth, the Chinese green slug moth, the camphor slug moth, and the small black slug moth. Adult slug moths are mostly densely covered with scales and hairs, generally yellow-brown to green, with simple red or brown markings. Their larvae are commonly known as stinging caterpillars, with branched spines and venomous hairs on their bodies that can irritate
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What are the control methods for geranium brown spot disease?
Control of geranium brown spot disease: 1. Collecting and burning diseased and dead plant tissue is the key to controlling this disease. For potted plants or field beds, waterlogging and damp, shady conditions should be avoided. 2. Before and after the onset of the disease, spray a 50% carbendazim 800 to 1000 times dilution or a potassium permanganate 1500 times dilution, once every 10 days, for 2 to 3 consecutive sprays.
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What are the control methods for crown gall disease in geraniums?
Control of crown gall disease in geraniums: 1. Before planting, find and pull out diseased plants. When necessary, disinfect the stem base of the seedlings by first soaking in 1% copper sulfate for 5 minutes, then transferring to 2% lime water for 1 minute. 2. Choose soil free of crown gall disease as nursery soil and potting soil. For potted plants that develop the disease, replace with disease-free soil. 3. For plants in the early stages of the disease, use a knife to cut away the gall, then apply lime sulfur mixture residue or Bordeaux paste to the wound, or apply methyl-acetic-iodine solution (50 parts methanol, 25 parts glacial acetic acid, 12 parts iodine flakes) to the gall, which can heal the affected area.
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