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Pay attention to light when growing flowers, add color to the festive home
Pay attention to light factors when growing flowers to add color to the festive home
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How to prevent rust-colored spots on mushroom caps
This is generally caused by failing to open doors and windows promptly for ventilation after watering, which makes the humidity in the mushroom house too high; water droplets then collect on the cap surface for a long time, producing rust-colored spots in localized areas. Rust-colored spots resemble bacterial spots, but they are limited to the surface. Preventive measures: open doors and windows for ventilation on schedule or when the weather is suitable, bring in fresh air, and evaporate the moisture on the surface of the mushrooms.
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Detailed Explanation of the Key Techniques for Bag-Removal and Color Change in Shiitake Mushrooms
Bag-cultivated shiitake mushrooms often yield poorly, and one of the key reasons is that the bag-removal and color change technique is inadequate. Successful color change is shown by the fluffy mycelium lying flat and forming a thin, brown, glossy film. Failed color change is shown in the following ways: 1. The color change is too pale or uneven, with the mycelium appearing grayish-white or grayish-black. The cause is that after bag removal, the mushrooms encountered high temperatures above 28°C for several consecutive days, or the air temperature remained at a low temperature below 12°C, resulting in poor mycelial growth. The remedy is: when the temperature is too high, ventilate in the morning and evening; when the temperature is too
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Detailed Explanation of the Key Technical Points for Color-Turning Management of Shiitake Mushroom Logs
The color-turning management of mushroom logs can be divided into two methods: color turning after bag removal and color turning within the bag. Current production is mostly aimed at obtaining flower shiitake or high-quality thick shiitake, so the within-bag color-turning method is mostly adopted. Its basic management is as follows: 1. Perforation for oxygen enrichment: after the mycelium has fully colonized, the substrate is filled with mycelium, and its metabolic rate increases greatly. Perforation serves the purpose of increasing internal oxygen, expelling waste gas, boosting metabolism and dissipating part of the moisture, and is the first step of color-turning management. 2. Promoting separation of the film from the walls: through perforation, moving, and so on, prompt the plastic film to separate from the substrate. For early-maturing strains with a short colonization time
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Color conversion of shiitake mushroom logs is crucial and growers must not neglect it
When the shiitake mycelium has fully colonized the bag and reached a certain physiological maturity, the aeration, light, temperature and humidity of its growing environment are artificially regulated so that all the aerial mycelium on the surface of the substrate lies down and secretes pigments; the color of the substrate surface gradually changes from dense white and pale white to light brown and then to brown and dark brown, finally forming a brown fungal film that combines multiple functions such as insulation, moisture retention, light exclusion and resistance to contaminating microorganisms. This process is called color conversion. The depth of color and the thickness of the fungal film in shiitake log color conversion are closely related to the fruiting time, fruiting yield and mushroom quality. Under general conditions
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Management Techniques for the Color-Turning Stage of Block-Cultivated Shiitake Mushrooms
Semi-cooked shiitake block cultivation; whether the color turning of the mushroom blocks is good or poor directly affects yield and quality. The color-turned layer of shiitake plays a role similar to tree bark. After color turning, it can be divided into 4 types, namely brownish-red, dark brown, light brown and grayish-white. Brownish-red is the most ideal; it represents mushroom blocks with appropriately sparse and dense fruiting, uniformity and consistency, high yield and good quality. Dark brown indicates that the mushroom skin is relatively thick, fruiting is late, individual mushrooms are larger, and yield is low. Light brown indicates that the mushroom skin is relatively thin, fruiting is earlier and concentrated, deformed mushrooms are numerous, mushrooms are small, caps open easily, and yield is low. Grayish-white mushroom blocks can produce
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Key Management Techniques for Shiitake Mushroom Bags During the Color-Turning Period
As early November arrives, temperatures drop noticeably and the day-night temperature difference widens. As a result, the shiitake mushroom bags produced in mid-September this year had just finished colonizing when the temperature fell, prolonging the maturation period of the bags and making it difficult for the mycelium to turn color. This is especially true for short-aging shiitake varieties, which may show the abnormal phenomenon of fruiting before color turning. The following two points should be noted in management: 1. For long-aging shiitake bags whose mycelium has fully colonized but has not yet turned color, management can be divided into two approaches. First, after punching holes, be sure to keep the cultivation room temperature above 22°C, and ventilate appropriately for 1-2 hours at noon each day;
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How to prevent and treat shiitake mushrooms infected by Trametes versicolor
Trametes versicolor, also known as turkey tail, is classified under Basidiomycotina, Hymenomycetes, Aphyllophorales, Polyporaceae, and the genus Trametes. The cap is leathery, sessile, imbricate and stacked, semicircular or shell-shaped, 1-10 cm in long diameter, 1-6 cm in short diameter, 1-2 mm thick, with narrow concentric zones and fine elongated hairs on the cap surface, varied in color, often gray, brown, green to black, glossy, entire or wavy. In nature it often occurs on decaying wood of broadleaf trees in summer and autumn, with mycelial growth temperature of 3-32°C,
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Management Methods and Technical Key Points for the Color-Changing Stage of Shiitake Mushrooms
When the shiitake mushroom mycelium grows and develops into the physiological maturity stage, the white mycelium on the surface gradually turns into a brown layer of mycelial film under certain conditions, which is called mycelial color change. The depth of the color change and the thickness of the mycelial film directly affect the occurrence and development of shiitake mushroom primordia, and have a great relationship with the yield and quality of shiitake mushrooms. It is the most important link in the management of shiitake mushroom fruiting. There are many methods for color change, and the commonly used one is the bag-removal color-change method. It is necessary to accurately grasp the timing of bag removal, that is, remove the bag when the mycelium reaches physiological maturity. If the bag is removed too early, it is not easy to change color; if too late, the mycelium ages, often produces yellow water, and is prone to
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Three key points for managing the color-change period of shiitake mushrooms
Edible fungi or fungal strains have their minimum, optimum, and maximum growth temperatures at each developmental stage, which are the so-called "three cardinal points" of temperature regulation. The "three cardinal points" temperatures for shiitake mushrooms are: the minimum temperature for mycelial growth is 6°C, the optimum temperature is 24°C, and the maximum temperature is 33°C; the minimum temperature for fruiting body growth is 8...
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