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How to prevent and control common physiological diseases of oyster mushrooms?
1. Mycelial overgrowth. In oyster mushroom production, mycelial overgrowth often causes the mycelium to become densely clumped, forming old mycelial skin that fails to produce mushrooms. The main causes are aging of the spawn or subculturing with aerial mycelium during the transfer of primary spawn. In production, if the mushroom house is poorly ventilated, the temperature is too high, or the film is left covering for too long, mycelial overgrowth without mushroom production can also occur. Prevention and control methods: strengthen spawn production management; during the fruiting body differentiation stage, increase the ventilation of the mushroom house and lower the temperature of the mushroom house. When old mycelial skin appears during cultivation, promptly remove the old mycelial skin, score the mycelial block and mycelial film to stimulate mushroom production.
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Detailed Guide to Controlling Common Diseases of Oyster Mushrooms
On cloudy days, with insufficient light, high relative humidity inside the mushroom shed, and poor ventilation, oyster mushrooms are extremely prone to two concurrent diseases: soft rot and bacterial spot disease. So how can these concurrent diseases be prevented and controlled? Based on our practical experience, we hereby introduce the following integrated control methods to mushroom growers. 1. Select and breed disease-resistant varieties and cultivate vigorous mycelium to improve the disease resistance of oyster mushrooms. For example: Hebei Wubaozi, Jiangsu Yefeng, etc., whose mycelium grows snow-white, whose fruiting bodies have strong disease resistance, and whose yields are high. 2. Increase ventilation to purify the air environment. 3. Use the ditch water replenishment method
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Control methods for diseases, pests and weeds during the cotton sowing period and seedling stage
This year, affected by abnormal climate, the cotton sowing time in our province was delayed. Under this continuous low-temperature condition, cotton growth and development were delayed, and the degree of disease and pest damage was relatively aggravated. For this reason, the situation facing cotton disease and pest control this year is more severe. From the start of sowing, every key control technique must be firmly implemented, especially the links in pesticide selection and use. The main disease and pest control techniques for the sowing period and seedling stage are introduced to the broad community of farmers as follows: 1. Strictly control the seed treatment with pesticides at the sowing stage. Before cotton sowing, focus on
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Detailed Explanation of Pollution-Free Control Techniques for Tea Plant Pests and Diseases
The main pests currently occurring in tea gardens include the tea green leafhopper (Empoasca vitis), the pink tea mite (Acaphylla theae), and the tea geometrid (Ectropis obliqua); diseases include anthracnose and tea brown leaf spot. Tea farmers should strengthen tea garden surveys and carry out timely pest and disease control. For tea gardens with multiple concurrent pests, combine primary and secondary control, select high-efficiency, safe, pollution-free pesticides and biological pesticides, mix them rationally, reduce the number of sprayings, and ensure tea yield and quality. Because the overwintering base of the tea green leafhopper was relatively high last winter and this spring, as temperatures rise, tea gardens throughout the county
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Red body disease in freshwater shrimp (Macrobrachium nipponense) causes explosive mortality - how can it be scientifically prevented and treated?
Red body disease causes explosive mortality in freshwater shrimp - how to prevent and treat red body disease in freshwater shrimp
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How is vasectomy surgery performed on a teaser ram?
The most commonly used methods for estrus detection in sheep are the external observation method and the ram teaser cloth method. However, their accuracy is poor and operation is inconvenient. This article introduces the method of using a ram with ligated vas deferens as a teaser. 1 Instruments, drugs and supplies 2% procaine hydrochloride, benzalkonium bromide, size 6 suture thread, suture needles, routine surgical instruments, razor holder (blade), towel, soap, gauze, 5% iodine tincture, 75% alcohol and normal saline. 2 Disinfection and restraint Use right lateral recumbency restraint, bring the left hind limb
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What are some pig-herding techniques? A few tricks to teach you how to herd pigs with ease
1. Design a path for the pigs: whether entering the pig house or loading onto a truck when selling pigs, there should be a human-designed path, and the walls of this path are best made of fixed, sturdy walls; if there are none, temporary walls can be used, such as replacing them with iron railings, replacing them with long strips of colorful cloth (feed packaging bags can also be sewn together into long strips of cloth), or using other opaque boards, so that the pigs can see that only moving forward is the right way, and in this way the pigs will generally follow the path designed for them; this method is quite practical when moving sows between groups. 2. Temporary wall
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What to do when the golden coin turtle (Cuora trifasciata) contracts bacterial intestinal hemorrhagic disease
Bacterial intestinal hemorrhagic disease in the golden coin turtle is an intestinal disease caused by opportunistic pathogenic bacteria. It is usually triggered by unclean or contaminated water, or by eating spoiled and rotten leftover bait. In March 1997, golden coin turtles at an aquaculture farm in Mule Town developed cases characterized by reduced feeding, refusal to eat, listlessness, bleeding from the mouth and nose, and not even fleeing when grasped by hand; clinical and necropsy examination led to a diagnosis of bacterial intestinal hemorrhagic disease. The details are as follows: 1. Incidence situation The aquaculture farm kept 57 golden coin turtles, each with a body
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Occurrence and Prevention Methods of Rice Field Eel Diseases
Rice field eels live year-round in water bodies with complex environmental factors and are frequently attacked by pathogens such as viruses, bacteria and parasites. During the rearing process, sudden changes in water temperature, insufficient dissolved oxygen, excessively high water acidity, and poor feeding management, such as insufficient feed, malnutrition, or feeding rotten and spoiled feed, and deterioration of water quality, disrupt their physiological state, weaken the eel body and lower their resistance, and in severe cases often cause mass death. Even if they do not die, it directly affects the growth and development of the rice field eels. In some cases, it is also due to excessive stocking density, or
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Prevention and Control Methods and Technical Key Points for Common Diseases of Large Yellow Croaker
I. Cryptocaryon irritans disease (white spot disease) Symptoms: A large number of small white spots appear on the body surface. In severe cases, the fish body is covered with a layer of white film. Due to the destruction caused by the parasites, secondary bacterial infection is triggered, resulting in inflammation and necrosis of the fish epidermis, scales easily falling off, fin rays rotting and splitting. When parasitizing the gills, it destroys the gill filaments, and after bacterial infection, it causes gill rot. When the parasites invade the fish's cornea, it causes inflammation and blindness. Diseased fish have reduced appetite, become thin, and swim erratically. The parasites can be identified by microscopic examination. Prevention
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