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Pest and disease control methods during jasmine cultivation
During the growth period, jasmine diseases include: jasmine stem rot and southern blight; pests include: jasmine leaf borer, scale insects, and carmine spider mite. (1) Jasmine stem rot. This disease occurs at the base of the stem. In the early stage, the lesions are brown spots with a water-soaked appearance. The lesions extend lengthwise into stripe-like patches. The edges are dark brown and the interior is grayish brown. In the later stage, the lesion tissue rots and splits lengthwise, and black granular bodies appear. This disease occurs year-round during the greenhouse maintenance period, and is especially severe in early spring. When maintained outdoors, it also occurs in August-September. High temperature and humid conditions favor
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A Detailed Guide to Common Diseases of Dianthus chinensis and Their Control Methods
Diseases of Dianthus chinensis fall into two major categories: non-infectious diseases and infectious diseases. The specific control measures are as follows: 1. Control of non-infectious diseases. Non-infectious diseases are usually caused by imbalances in nutrients, water and temperature, as well as infection by harmful substances. Although Dianthus chinensis does not have strict requirements for water and nutrients, excessive drought will cause poor growth and an underdeveloped root system, thereby reducing its stress resistance; excessive moisture will cause a lack of oxygen in the soil, suffocating and rotting the roots. As for nutrient requirements, it is best not to use pure N fertilizer; too much N fertilizer causes excessive vegetative growth of branches and leaves, tender tissues, and poor air circulation between plants.
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Six Major Mushroom Disease Prevention and Treatment Methods for Winter
Brown rot disease: When mushrooms are infected at a young stage, they cannot differentiate, and later form irregular grayish-white "lumpy heads," such as extremely thick caps resembling fists, or caps and stipes that are difficult to distinguish, with a layer of "white fuzz" growing on the surface. When the temperature is above 20°C, within 4-5 days the diseased mushrooms darken in color, then rot, exuding a brown, soy-sauce-like liquid, and rot and emit a foul odor; if the shed temperature is below 20°C, this process takes longer, requiring about 7 days or more. When fruiting bodies are infected at the mid-growth stage, brown lesions appear on the cap surface, the stipe becomes thick and swollen, and then the mushroom body
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How to prevent and control common mushroom pests and diseases?
I. Mushroom brown rot: also known as mushroom Mycogone perniciosa disease, blister disease, white rot, etc. It is currently the most damaging disease in mushroom cultivation. Besides harming mushrooms, it can also harm oyster mushrooms, straw mushrooms, silver ear fungus, and Ganoderma. Symptoms: The disease shows different symptoms at different developmental stages of the mushroom. When the mushroom begins to knot and form young buttons (before the fruiting body has differentiated), it is susceptible to infection, forming hard, horse-neck-shaped irregular tissue masses. These are covered with a layer of white fuzzy mycelium, which later darkens and finally turns dark brown.
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Mushroom Disease Control Methods and Key Technical Points
In late September, mushrooms begin to fruit successively, which is also the time when diseases in the mushroom house begin to multiply and cause damage. Mushroom walnut-flesh fungus (Diehliomyces microsporus) is one of the more serious diseases in mushroom production. This fungus is also called "false truffle," and its pathogen is Microsporon desmazieri. When the ascocarps cluster together, they appear walnut-flesh or cauliflower-shaped, pale yellow to cream-colored, turning light brown when mature. The surface is covered with a scaly, dandruff-like layer, and the flesh is dense and soft, giving off a fishy odor when crushed; the larger ones can reach over 10 cm. Once the mushroom bed is infected by walnut-flesh fungus, spraying on the bed surface should be stopped immediately
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Detailed Guide to Identifying and Controlling Common Mushroom Diseases
I. Fungal Diseases 1. Brown rot. Also known as white rot and blister disease. The pathogen spores are brought into the mushroom house through casing soil and spread by air and insect pests. When the air in the mushroom house is not circulating and high temperature and high humidity occur, the disease is severe. A large amount of white mycelium forms on the mushroom bed. After infection, the stipe of the fruiting body swells into a blister-like shape, and in severe cases deformed mushrooms form, turning brown, or white flocculent spherical masses form in which the cap and stipe are indistinguishable. Control method: mainly disinfect the casing soil. Place the casing soil in an empty room, and fumigate at a ratio of 5 ml of formaldehyde plus 3 g
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How to prevent and control viral diseases in mushrooms? Detailed methods
Once a mushroom viral disease occurs, the harm is great. Not only does the yield of that year decline, but if the mushroom house is not thoroughly disinfected, it will also affect the harvest of the next year. After mushroom mycelium is infected with the virus, it cannot form fruiting bodies, and in severe cases the mycelium rots, causing large mushroom-free areas to appear on the bed. After mushroom buds are infected with the virus, the fruiting bodies develop abnormally; some caps show brown spots and the caps are lopsided; some caps have notches, the growth of the cap and stipe is unbalanced, the cap is extremely small or the stipe is extremely long; or the stipe is curved, with the lower part of the stipe tapered; or the middle of the stipe swells into a stalk-like shape
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What types of common pests and diseases affect mushrooms?
1. Spot type: mainly brown spot disease, where the surface of the fruiting body has white hair-like mycelium along with small brown spots; affected by it, the mushroom caps shrink, and some mushroom caps crack and dry out; there is also a type mainly characterized by rust spots, with rust-colored spots appearing on the mushroom stipes and caps, mainly caused by excessive humidity and poor ventilation in the shed. 2. Deformed type: mainly manifested as slender mushroom stipes and a well-developed, thick and strong root system, with an external form resembling coral in the sea, mainly caused by a lack of oxygen or poor ventilation in the greenhouse. 3. Spindly growth
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Mushroom Pest and Disease Control Methods and Technical Key Points
With the further development of the mushroom industry, standardizing mushroom pest and disease control has become very necessary. The following recommendations on mushroom pest and disease control are hereby proposed: 1. Mushroom pest and disease control must establish the principles of prevention first, integrated control, and scientific use of chemical agents. Specifically, the following should be done: 1. Conscientiously carry out environmental sanitation work in and around the mushroom house. The environmental sanitation of the mushroom house is crucial to the occurrence of pests and diseases. The following must be done: ① The mushroom house and its surroundings must be clean and hygienic, with thorough sterilization and disinfection. Chicken coops and pig pens should be kept away from the mushroom house. ② After the spring mushroom
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What are the integrated pest and disease control measures for mushrooms?
Mushrooms are the main cultivated edible fungus variety in Zhangpu County, Zhangzhou City, Fujian Province. However, pests and diseases have long plagued the vast number of mushroom growers. The integrated control measures are described below: (1) Strengthen cultivation management. 1. Disinfection of the cultivation house. For disinfection of the cultivation house, a mixed solution of formalin and dichlorvos can be used for fumigation. Before fumigation, first moisten the floor, walls, bed frames and daily tools by spraying, and seal up cracks. For every 100 sq m, use 1 jin of formalin and 150-200 g of dichlorvos in a pot, add 5 times the amount of water, then place it on a stove and heat. After lighting the fire
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