Master the key technology of Pleurotus eryngii, make Pleurotus eryngii mushroom more spring

Control the ambient temperature as much as possible to maintain the ambient temperature within the growth range. The growth temperature of Pleurotus eryngii is 6°C～25°C, and the growth of the mushroom body is slow at 6°C～15°C. However, the body of the mushroom is fine and the color is beautiful, which can cultivate high quality mushrooms. Control environment Humidity The environment humidity should not be too high. In the temperature range of 6°C to 15°C, the water can be sprayed in the mushroom shed for 1 or 2 times per day. The water can be sprayed in the soil-covered way without spraying every day. It can be flexibly changed according to the outside temperature. grasp. Maintain relative humidity of about 80%. Pay attention to the enhancement of ventilation in the 6 °C ~ 15 °C environment, the general daily ventilation 1 to 3 hours can be ventilated at noon or noon. Especially in the cold winter season, it is necessary to prevent ventilation at night so that the temperature of the mushroom farm is too low to cause freezing injury. Controlling the temperature of mushroom light below 15 °C, direct sunlight does not affect the growth of the mushroom, and its color does not change, but in the case of higher temperatures, direct sunlight will make the mushroom yellow deterioration. The standard mushroom body of the high-quality mushroom is sleek and non-variegated. It is stick-shaped or bowling-shaped. It weighs 50 grams or more and 200 grams or less. It has a cap diameter of 2 to 6 centimeters, a thickness of 1 to 4 centimeters, and a stipe of 5 centimeters or more. In order to cultivate Pleurotus eryngii according to such standards, the following work needs to be done:
1. Mushroom bud mushroom. According to the high quality standards to manage, the best end of each mushroom bag leaving only 1 to 2 mushroom buds.
2. Increase ventilation. Only enhanced ventilation can promote the growth and development of the cap and inhibit the growth of the stipe.
3. Reduce mushroom consumption. Mushroom water consumption is too much, will lead to mushroom water content is too high, so that the body surface of the mushroom produces darker stripes or cracks, thus affecting mushroom quality.
4. Appropriate early harvest. 3~5 days ahead of time to pick mushrooms, can maintain the whiteness of the mushroom body, to prevent the yellow mushroom body during storage and transportation, and affect the quality.
5. The standard of Pleurotus eryngii harvesting: The fruit body of Pleurotus eryngii should be harvested when it is mature. At this time, the appearance of the mushroom body is dense and elastic. The rim of the mushroom cover is hemispherical and the pleats have not yet formed. Flattened cap, pleat formation, and harvesting near maturity will reduce quality and shorten the shelf life. (This article is provided by Han Chaozheng, Institute of Edible Fungi, Binhai County, Jiangsu Province, China. Tel: 0515-4103012 13851113822)

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