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How to prevent and control pests and diseases in mushroom sheds? These measures must be mastered
With the development of the vegetable basket project, the demand for edible fungi has increased accordingly, but the harm caused by pests in mushroom sheds has created great obstacles to the development of edible fungi. To alleviate this contradiction, here is an introduction to the main pests in mushroom sheds and their control methods. 1. Mushroom flies: The larvae, also known as fungus maggots, mainly feed on the fruiting bodies, creating tunnels that affect quality, and the wounds they cause are also very easily infected by pathogenic bacteria, leading to rot. Different methods should be used to control mushroom flies at different stages. If a large number of fungus maggots appear before mushroom emergence, dichlorvos can be used at 0.90 kg/
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Detailed Guide to Controlling Several Major Diseases of Alliums
The main diseases of alliums include downy mildew, rust, and purple blotch. In recent years, the occurrence and damage of these diseases have tended to worsen in various regions, and this is especially pronounced under protected cultivation, greatly affecting the yield and quality of alliums. Below is an introduction to the main symptoms, disease conditions, and control methods of these 3 diseases. 1. Downy mildew (1) Main symptoms. Downy mildew is an important disease of Welsh onion and bulb onion. In addition to damaging Welsh onion and bulb onion, it also damages garlic, Chinese chives, and others. Downy mildew mainly infects leaves and flower stalks,
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How to prevent and control hollow-heart leaf shrinkage disease in hot peppers? Growers should take preventive measures early
Hollow-heart leaf shrinkage in hot peppers may be caused by a viral disease. After pepper plants are infected by a virus, a variety of symptoms can appear, generally including mosaic, fern leaf, vein clearing, dwarfing, yellowing, necrosis, and top bud blight, among which the one that can cause hollow-heart leaf shrinkage in hot peppers is fern leaf virus disease. After the disease occurs, it can be prevented and controlled by the following methods: 1. 20% Virus A wettable powder at 500 times dilution; 2. Bingdujing or Bingduling at 500 times dilution; 3. 1.5% Zhibingling emulsifiable concentrate
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Intercropping soybeans with yew can increase the survival rate
Recently, 2.46 million rooted cuttings of Maire yew (Taxus media) cultivated at a yew nursery in Youxian County, Zhuzhou, Hunan, have been growing rapidly in Tongshan Village, Yajiangqiao Town in that county, and passed expert inspection at the end of August. The nursery's new seedling-raising method of "intercropping with soybeans" has raised the survival rate of yew seedlings to more than 95%. It is reported that the successful introduction and propagation of Maire yew not only helps protect the precious wild Chinese yew (Taxus wallichiana var. mairei) resources, but also opens up broad prospects for developing this "golden plant." At present, the nursery is engaged in forestry
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Symptom Identification and Control Methods of Black Locust Mosaic Virus Disease
[Distribution and Damage] Quite common in Beijing and Shandong. It affects the growth of young trees, causing dwarfism. [Symptoms] Irregular line patterns appear on the leaf surface, distributed without fixed positions, with beautiful patterns. Some leaves become smaller and lighter in color. If not carefully observed, it is easily overlooked. When adventitious buds in the leaf axils sprout, weak branches and small clustered branches and leaves are produced. In Eastern Europe, Central Europe or the United States, leaves become smaller, veins become transparent, petioles are short, plants are prone to cold damage, and there are often multiple branches and yellowing. The mosaic occurring in the United Kingdom appears mottled, with twisted leaves and curved wood.
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Harmful Characteristics and Pathogen Analysis of Robinia Mosaic Disease
Robinia mosaic disease is a common disease of black locust (Robinia pseudoacacia). It begins to occur in spring from April to May. Its symptoms manifest as systemic mosaic. The leaf color is uneven, with some leaves showing mottling of intermingled light green and dark green, and presenting blister-like spots. Some leaves are deformed; the leaf shape becomes narrower and longer, and in severe cases becomes linear. In some leaf axils, adventitious buds sprout and produce thin, weak small branches with extremely short internodes, and the leaves are narrow and small; the axillary buds of the small branches sprout again and produce small branches and leaves, and in this way they sprout and grow level by level, forming a clustered branch state with dense branches and leaves. This affects the normal growth of the tree. After young trees are affected, they gradually
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Occurrence patterns and control methods of black locust canker disease
Black locust canker disease is a major trunk and branch disease of black locust (Robinia pseudoacacia), affecting both young and mature trees. The disease mostly occurs in the bark of the main trunk. After trees are affected, lesions of varying sizes mostly appear on the lower part of the main trunk and at branch forks, and the lesions are spindle-shaped, oval or irregular. On young trees, the diseased part of the main trunk is cankerous and slightly sunken; on large trees, the bark of the main trunk is thick, and the diseased part is water-soaked with no obvious sunken areas. The disease spreads faster lengthwise than crosswise. When the diseased area encircles the trunk completely, the tree withers and dies. In the later stage, at the lenticels and bark cracks of the diseased part
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Prevention and Treatment Methods for Common Diseases in Large Yellow Croaker Aquaculture
Benedenia Disease [Cause] The disease is caused by parasitism of Benedenia.[Symptoms] Benedenia often parasitizes various parts of the body surface of marine fish such as large yellow croaker, yellowfin seabream, red seabream, black seabream, and grouper, especially the front half of the back. When Benedenia parasitizes the fish body, the fish are restless in the water, constantly swim frantically, rub against nets or pond walls; the large and small hooks of the worm's posterior attachment disc tear the epidermis, causing wounds and inflammation on the body surface, secreting large amounts of mucus; in severe cases, anemia, emaciation, localized or large-area ulcers on the body surface, or occurrence of
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Common Diseases of Orchids and Their Control Methods
Viruses are relatively primitive organisms. They have no cellular structure and can only replicate by parasitizing host cells. Once infected, there is generally no specific drug for control, so viral diseases can only be prevented by improving environmental hygiene and raising cultivation standards. More than 20 viruses capable of infecting orchids have been discovered so far. The more common ones include Cymbidium mosaic virus (CyMV), Cucumber mosaic virus (CMV), Dendrobium mosaic virus (DeMV), and Cymbidium ringspot virus (CyRV). Methods for controlling viral diseases:
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Detailed Explanation of Ten Measures for Disease Prevention in the Four Major Chinese Carps
I. Sun-drying the pond bottom One of the main purposes of drying the pond is to let the pond bottom be exposed to sunlight for a period of time, so that the organic matter at the bottom oxidizes. II. Thorough pond disinfection Choose lumpy calcium oxide that has not absorbed moisture or weathered. Before use, dissolve it in water to become strongly alkaline lime powder or slurry lime water, which has a killing effect on various pathogenic bacteria and parasites, and can promote the calcification of silt and prevent the reproduction of bacteria. III. Reasonable density Reasonable density means maximizing yield according to your own farming environment and technical conditions
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