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Straw mushroom
The fruiting body is relatively large, with a cap 5-19 cm in diameter, nearly bell-shaped, later spreading, slightly raised in the center, dry, gray to grayish brown. The center is darker in color, with radiating hair-like lines. The flesh is white, soft and spongy, slightly thicker in the center. The gills are white, later pinkish, somewhat crowded, broad, free, of unequal length. The stem is cylindrical, 5-18 cm long, 0.8-1.5 cm thick, white or tinged with yellow, smooth, solid inside. The volva is relatively large, cup-shaped, thick, white to grayish black. In autumn it grows in groups on straw piles. In southern China, rice straw is often used for artificial cultivation.
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When is the most suitable time to plant straw mushrooms in northern regions?
Because straw mushrooms are a high-temperature strain, the suitable season for cultivating them is when the daily average temperature is stable above 25°C or the minimum temperature is above 23°C. In northern regions, June to September each year is the best season for planting straw mushrooms. Spawn preparation can be scheduled between May and June. In recent years, northern regions have broadened the suitable cultivation period by using winter-warm greenhouses.
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Detailed Explanation of Key Points for Straw Mushroom Cultivation in the North
Straw mushroom, also known as button-foot mushroom or orchid mushroom, has a cultivation history of more than 300 years in China and enjoys the reputation of "Chinese mushroom" on the international market; it is the only edible fungus variety to receive this "honor." 1 Typical Characteristics of Straw Mushroom 1.1 Three Fast Features Fast mycelial growth: After sowing straw mushroom, under the suitable temperature of 28-32°C, the mycelium can fully colonize within 7 days, about 60% shorter than oyster mushroom and other varieties, and more than 90% shorter than shiitake and other varieties. Fast budding: Under temperatures above 30°C, mushroom buds appear on the 6th-7th day after sowing,
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Why is the fresh straw mushroom called the Chinese mushroom?
Right now, a small amount of fresh straw mushrooms has appeared on the market in some vegetable markets and supermarkets in Jiangcheng, priced at about 24 yuan per kilogram. Yesterday, a reporter bought 500 grams at the Jiangda Road vegetable market in Hankou and stir-fried them plain to try them fresh, finding them delicately fragrant and delicious, smooth, tender and tasty. The straw mushroom, also called the delicious straw mushroom, orchid mushroom, hemp mushroom, etc. It is only as big as a candied jujube, with a pointed round top that is black; the lower part is thick and white. It is understood that at the beginning of this year it was introduced from the Jiangsu-Zhejiang area to Xinzhou, Dongxihu and other places in our city, and the current output is relatively small. The straw mushroom is delicately fragrant and has long had the
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Detailed Explanation of High-Yield Indoor Bed Frame Cultivation Techniques for Straw Mushrooms
1. Basic Conditions for the Growth and Development of Straw Mushrooms 1.1 Nutrition The cultivation material must contain components such as carbon, nitrogen, minerals and vitamins. Therefore, rice straw, wheat straw, hemp stalks, waste cotton, cottonseed hulls, and sugarcane bagasse, which are rich in cellulose, are all raw materials for producing straw mushrooms. Nitrogen-containing compounds are important elements for straw mushrooms to synthesize cell protein. Straw mushrooms can only utilize low-molecular-weight amino acids. Organic nitrogen substances such as wheat bran, rice bran and peptone can serve as nitrogen sources. Straw mushroom cultivation generally does not require the addition of ammonium nitrogen, nitrate nitrogen or urea. In addition to carbon and nitrogen, various minerals such as potassium, magnesium, calcium and phosphorus are also necessary. Generally, cellulosic raw materials already contain sufficient amounts, so no supplementation is needed. When preparing the cultivation material, attention should be paid to the carbon-to-nitrogen ratio of the material. Practice has shown that a carbon-to-nitrogen ratio of 60:1 is most suitable for straw mushroom growth.
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How to achieve high yield in raw material soil-casing cultivation of straw mushrooms (Volvariella volvacea)?
I. Select virus-free spawn. Virus-free spawn of straw mushroom has the obvious production advantages of not carrying any viruses or pathogenic bacteria itself, strong resistance, and high yield. Spawn should be selected according to the destination of the product, such as V23 with large-grain characteristics, suitable for fresh sale or drying; Nongke V42 with medium-to-large grain characteristics, suitable for both fresh sale and salted processing; other small-to-medium grain types are suitable for canning processing, etc. II. Chemical treatment of the mushroom shed. Generally, a solution of Baibingquwuzong can be used to spray the mushroom shed carpet-style, thoroughly killing viruses, pathogenic bacteria, etc., to ensure the cleanliness of the production site
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What environmental conditions does straw mushroom (Volvariella volvacea) need to grow?
1. Temperature: Straw mushroom is a high-temperature type agaric mushroom. The temperature required for spore germination is 25-45°C, with 40°C being optimal; above 45°C or below 25°C, germination cannot occur. The temperature range that straw mushroom mycelium can adapt to for growth is 20-40°C, and the most suitable temperature for growth is 35-36°C; at this temperature, the mycelium grows fastest. Below 15°C or above 42°C, the mycelium grows slowly, stops growing at 10°C, and dies quickly below 5°C. The suitable temperature for fruiting body development is 28-32°C
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Detailed Explanation of Key Points of the Aerated Composting Technique for Straw Mushroom Culture Material
Under suitable temperature conditions, the production cycle of straw mushroom is about 20 days. From sowing to harvesting the first flush of mushrooms takes about 10 days, and the yield is mainly concentrated in the first flush. In our province, it can be cultivated from May to September every year. Based on this production characteristic of straw mushroom, the author, in the work of promoting straw mushroom cultivation in rural areas, summarized a new composting method - the aerated composting method, and achieved very good results. Straw mushroom can be cultivated using rice straw plus some supplementary materials or solely cottonseed hulls. Before building the pile, sun-dry the rice straw or cottonseed hulls for 1 day, then soak them thoroughly in lime water at pH 11-12, and scoop
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What types of mushroom compost are there for straw mushrooms? How to prepare them
The raw materials needed for cultivating straw mushrooms come from a wide range of sources. Currently, the most commonly used are rice straw, wheat straw, waste cotton, and cottonseed hulls. Some spent substrate left over from cultivating other edible fungi can also be used to grow straw mushrooms. 1. Rice straw Choose golden-yellow, mold-free dry rice straw, and sun-dry it for 1-2 days before use to prevent the appearance of coprinus or other contaminating fungi during cultivation. There are generally two ways to treat rice straw. One is to cut the rice straw into pieces about 5 cm long, then soak them in 3% limewater for 1-2 days, then add dry pig manure or dry cow manure equal to 20%-25% of the straw weight and compost the mixture
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Processing method for candied straw mushrooms and button mushrooms
First, it is necessary to understand the tissue structure and chemical composition characteristics of edible fungi such as straw mushrooms and button mushrooms. These edible fungi have a high water content and loose, fragile tissue, and are prone to browning during processing, which affects the color of the finished product. Therefore, the processing technology must take these characteristics into account. The processing techniques are as follows: 1. Raw material selection: Remove rotten, diseased, off-color, aged, and opened-cap straw mushrooms and button mushrooms; use fresh materials as much as possible. 2. Pretreatment: After the raw materials are selected and trimmed, color-protection measures should be carried out promptly and quickly by soaking in 1% salt water, or
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