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Identification of Cherry Blossom Pest and Disease Symptoms and Control Methods
Summary Symptoms of shot-hole brown spot disease: small purplish-brown spots appear on the leaves and gradually expand into circular shapes. Control methods for shot-hole brown spot disease: spray 3-5 degrees Baume lime sulfur mixture before new shoots sprout, and spray 160-fold Bordeaux mixture when the disease occurs. Symptoms of leaf blight: yellow-green
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How to prevent and control peach bacterial shot hole? A detailed guide to peach tree disease prevention and control methods
Peach bacterial shot hole is a widely distributed disease with a high incidence rate. Bacterial shot hole occurs in all peach-producing areas nationwide, especially in coastal and lakeside areas, in orchards with poor drainage, and in rainy years, where it often breaks out severely. If not controlled in time, it easily causes
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What is the best treatment for peach tree shot hole disease?
Because of the high temperature, intense heat and abundant rain in summer, peach trees are most prone to shot hole disease at this time. So, what medicine can treat peach tree shot hole disease? 1. What medicine can treat peach tree shot hole disease: Spray 2-3 times with Lianguoan at 150 times + Wofengsu at 600 times + garlic oil at 1000 times. When the disease is severe,
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A detailed guide to the correct use of thiabendazole
Control of peach shot hole disease: 1% thiabendazole aqueous solution at 600 times dilution or 1.5% thiabendazole emulsion at 800 times dilution, sprayed once every 7 days, with the number of sprays adjusted flexibly according to the severity of the disease. Pear downy mildew and pear scab: choose 1.5% thiabendazole emulsion at 800 times dilution, sprayed once every 5-7 days, for 2-3 consecutive times.
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What are the latest control methods for peach bacterial shot hole disease?
Peach bacterial shot hole disease is a common and widespread disease affecting peaches. It not only harms peaches but also harms fruit trees such as cherries, plums and apricots. Some varieties are severely affected, such as Zhonghua Shoutao and Haishuimi. The pathogen mainly harms peach leaves, and also harms the fruit.
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Peach tree leaves developing brown spots, drying up, dropping off and perforating? Control methods for shot hole disease
Leaves developing brown spots, drying up, dropping off and perforating: control methods for peach shot hole disease
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How to Prevent and Treat Cherry Leaf Spot Shot Hole Disease
How do you prevent and treat cherry leaf spot shot hole disease? Please explain the methods. Introduction to cherry leaf spot shot hole disease: 1. Symptoms. Shot hole disease can be divided into types caused by fungi and by bacteria. Cherry leaf spot shot hole disease is caused by a fungus. It mainly damages leaves and also infects new shoots. It usually starts from the lower part of the canopy and gradually spreads upward. Onset...
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Symptoms and Control Methods of Cherry Blossom Shot Hole Brown Spot Disease
Symptoms and pathological changes: This disease mainly occurs on mature leaves. When the disease develops, it gradually spreads from the lower leaves upward. It begins with needle-tip-sized purple-brown spots appearing on the leaf surface, then the lesions expand into concentric round brown spots 3-5 mm in size, and a light brown abscission layer forms at the edge of the lesions. Later the lesion area falls off
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Symptom Identification and Control Methods for Peach Fungal Shot Hole Disease
[Symptoms] When leaves are infected, circular or nearly circular lesions initially appear, with purple edges and slight concentric rings, measuring 1-4 mm in size; later, grayish-brown mold-like growth develops on the lesions, the center dries up and falls out, forming shot holes with neat edges, and when there are many holes, the leaves drop off. When new shoots and fruit are infected, the symptoms are similar to those on leaves. [Disease Development Pattern] [Regional Damage Severity] [Integrated Control] (1) Eliminate the source of inoculum. Promptly prune diseased branches, thoroughly remove diseased leaves, and burn or bury them deeply. Before peach trees bud, spray
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Identification and control methods of the tea shot-hole borer
The adult and larval stages of the tea shot-hole borer both bore into the branches and trunks of lychee and longan, with branches 1-2 cm in diameter being the most heavily affected, and numerous nearly circular small entrance holes visible on the exterior. If an affected branch is cut open, several nearly ring-shaped horizontal small galleries will be found in the xylem, and dark brown beetles smaller than a grain of rice, or milky white legless larvae and pupae, are commonly seen. Because the transport of water and nutrients in the affected branches is blocked, the trees weaken in vigor and often produce dead branches and broken branches, and entire young trees have even been found killed by the damage. In recent years the tea shot-hole borer
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