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How to Eliminate Diseases in Autumn and Winter Edible Mushroom Cultivation? Detailed Explanation of Prevention and Control Measures
1. Prevention and Control Measures at the Spawn Stage. Excessively high humidity conditions are extremely unfavorable to spawn production. First, when the cotton plug of first-level spawn becomes damp, the moisture from the sterilization stage cannot evaporate, and it continues to absorb water through respiration; the dampened cotton plug is highly susceptible to contamination by foreign fungi. Second, the respiratory metabolism of second-level spawn is insufficient, seriously affecting mycelial vigor; the surface characteristic is that the entire spawn bottle appears misty, as if washed with water, and the mycelium is thin and weak. Third, the tied opening of third-level spawn is directly connected to the outside air, manifesting as fine mycelium, slow growth, and a wet, heavy feeling when the spawn bag is grasped by hand.
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Be on strict guard against physiological diseases in edible mushroom cultivation
Wild mushroom: caused by high nitrogen, high moisture and high temperature in the substrate. Control methods: reduce the nitrogen content of the substrate and raise the pH value of the substrate to 8-9. Green mold: caused by a too low pH value, poor ventilation of the substrate bags, and excessive bag temperature leading to a stuffy stack. Control methods: raise the pH value to 8-9, strengthen microporous aeration to promote mycelial growth, and prevent stuffy stacks from high humidity. Dead mushrooms: shortly after pinning, large numbers of small mushroom pins sometimes shrink, turn yellow and even die. This is mainly because the temperature of the substrate bags in the mushroom stack is too high and the heat from mycelial metabolism cannot
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Identification and Control Methods of Mucor Disease in Lingzhi (Reishi Mushroom)
Mucor mucedo (L.) Brefeld belongs to the subphylum Zygomycotina, order Mucorales, genus Mucor. It can infect edible fungi such as lingzhi (reishi mushroom), silver ear fungus, and oyster mushroom, and is a common contaminating fungus in mushroom cultures. It grows rapidly and occurs commonly. In severe cases, it can cause the entire culture to be discarded. Symptoms: Mucor can secrete organic acids and toxins that inhibit the growth of lingzhi mycelium. After the substrate is affected, the mycelium appears grayish-white and relatively thick, and grows rapidly. In the later stage, many yellow-white round small granules form at the tips of the aerial mycelium, which gradually turn black.
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How should Neurospora disease in lingzhi (reishi) be prevented and controlled?
The scientific name of Neurospora is Neurosporasitophila Sh. et Dodge; it is also called red bread mold (Neurospora sitophila) or red bread mold, bread mold, Neurospora, and Monilia. It belongs to the subdivision Ascomycotina, order Sordariales, genus Neurospora. It is a contaminant fungus that poses a very great threat in the production of lingzhi edible mushroom spawn. It spreads relatively quickly. Symptoms: after the mother spawn is infected, flesh-red to red conidial masses form on the outside of the cotton plug, surrounding the entire bottle mouth, and at the slightest touch there is a phenomenon of powder scattering and spreading.
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Control Methods for Yeast Disease in Lingzhi (Ganoderma lucidum)
Yeast is a type of ascomycete fungus lacking filamentous hyphal structure, widely distributed in nature. During the production and cultivation of edible mushroom spawn such as lingzhi (Ganoderma lucidum) and silver ear (Tremella fuciformis), it can contaminate culture media and substrate, mainly contaminating the substrate, causing substrate deterioration and inhibiting mycelial growth. Symptoms: When yeast infects, it mostly starts from the middle of the silver ear substrate, causing the substrate to ferment and deteriorate, with a sour alcoholic odor being released, affecting mycelial growth and development, and consequently affecting yield and quality. Pathogen: Belongs to the subphylum Ascomycotina fungi,
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Identification and Control Methods of Physiological Diseases of Reishi Mushroom
Due to the action of abiotic factors, the physiological metabolism of reishi mushroom is often disrupted, leading to disease. Symptoms After physiological diseases occur, deformed mushrooms grow, and the mycelium stops growing or grows poorly and shrinks, and excessive vegetative growth can also occur. Causes During cultivation, improper management leads to poor nutrition of the mushroom body; the temperature in the cultivation room is too high or too low, and ventilation is poor; the water content of the substrate is too high or too low, or the pH is unsuitable; lighting is inconsistent; the bed contains excessively concentrated harmful gases; pesticides and growth regulators are used improperly.
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Symptom Identification and Control Methods of Penicillium Disease in Lingzhi (Reishi Mushroom)
Penicillium disease occurs commonly in edible mushroom cultivation and is an important disease on the mushroom beds of lingzhi (reishi mushroom) and other edible fungi, and it also frequently occurs during the fruiting body formation stage. Symptoms: at harvest time, the lingzhi roots left on the cultivation bed are easily infected, and after infection they gradually infect healthy tissues near the diseased tissue. It generally invades from the base of the stipe of healthy lingzhi, after which yellow-brown rot develops and spreads upward from the base. It affects the yield and edible value of the fruiting bodies. Pathogen: this disease is a fungal disease, Penicilliun sp., belonging to the Deuteromycotina. Conidiophores
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Feeding chickens with kombucha helps increase egg production
In the process of raising chickens, the author once used kombucha liquid to mix feed for laying hens and achieved obvious results. The laying rate reached over 95%, which was 15% higher than the original mixing with clean water, and the eggs laid were also larger than before. Preparation of kombucha liquid: Put an appropriate amount of tea leaves and white sugar into a teapot, then brew with boiling water. After it cools, use it as a culture medium to inoculate (soak) the kombucha starter. After 3 to 5 days, it becomes kombucha liquid. Mix it into the compound powder feed at a dosage of 2 milliliters per chicken per day and it can be fed. Using kombucha liquid
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Duck disease prevention and control requires attention during the transition between summer and autumn
Currently we are in the transition between summer and autumn, with large temperature fluctuations, and various pathogens easily breed and multiply. This is a season when livestock, poultry, fish and other animals are prone to disease. Neglecting prevention at this time can easily trigger disease outbreaks, causing death of livestock, poultry and fish from mass and epidemic diseases, resulting in relatively large losses. Therefore, the symptoms and prevention and treatment methods of common duck diseases during this period are introduced below. 1. Duck plague. It occurs frequently in spring, summer and autumn, with high morbidity and mortality. Prevention: inject duck plague vaccine at 10 to 15 days of age.
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Case Analysis of Diagnosis and Treatment of Swine Lungworm Disease
Swine lungworm disease is an endemic form of swine metastrongylosis caused by Metastrongylus. The disease mainly affects piglets weighing 30-50 kg. It causes pneumonia and bronchitis in pigs, severely affecting their growth and development and even leading to death. 1. Incidence situation: The vast majority of farmers in the Enshi region of Hubei raise pigs mainly through free-range methods, feeding them mostly feed, wild forage and farm vegetables, and most green feed is simply rinsed with water or not washed at all, so pigs are highly susceptible to parasitic infection. On May 20, 2008
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