What if the straw mushroom is dead?
The reason for the death of straw mushroom is that the ventilation and moisturizing of the mushroom room are not coordinated. Straw mushroom is an aerobic fungus, which needs a lot of water, and it is easy to die from lack of water due to excessive ventilation. Lack of ventilation can easily lead to excessive carbon dioxide and hypoxia death.
The temperature of the mushroom room changed suddenly. If there is no early ventilation and cooling in case of continuous high temperature, or if too much well water is sprayed on the floor, and the temperature drops too fast, the mushroom can not withstand the sudden change of temperature and die in batches.
Poor germplasm and pests. The bacteria of the right age aged and died because they could not be cultivated in time. The vitality of mycelium is poor, the accumulation of nutrients after sowing is insufficient, and the survival rate of mushroom will be very low. At the same time, dead mushrooms can also occur when infected with miscellaneous bacteria or attacked by mites.
Control measures Straw Mushroom likes the environment of high temperature and humidity. After the culture material enters the room, it is necessary to strictly control its water content, put an end to the use of over-age bacteria, and keep the temperature of the mushroom room at about 30 ℃. If you encounter continuous high temperature weather and low moisture, you can sprinkle water to the floor and increase ventilation to cool and moisturize.
The wheat bran (nitrogen) applied on the bed of bacteria should not exceed 30% (or not) to reduce the occurrence of miscellaneous bacteria such as green mold and insect pests.
Be careful when harvesting straw mushrooms, lest mechanical damage to small mushrooms, or break the mycelium layer and cause dead mushrooms. As long as attention is paid to nursing in every production process, the occurrence of dead mushrooms in volvariella volvacea cultivation can be reduced.
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Bed frame cultivation technique of volvariella volvacea
1 the cultivation time of volvariella volvacea bed frame cultivation should be selected in the season when the daily average temperature is more than 25 ℃. Because the room temperature required for the growth and development of volvariella volvacea should be kept above 27 ℃, do not heat up or cool down sharply to prevent the young buds of volvariella volvacea from shrinking and dying. According to several years of experiments, the sowing date in the county can generally be arranged from early May to early September (gasoline barrels can be used to heat up if the room temperature is slightly lower in May). 2 the structure of the mushroom house and the requirements for ordinary slate roof mushroom rooms or general tile mushroom houses, requiring the use of plastic film or
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Sowing technique of volvariella volvacea
1. Sowing time. The cultivation of sunny beds should be done well in advance and covered with plastic film in May. The specific sowing date should be determined according to the border temperature, and the general border temperature should be more than 22 ℃. You can't sow seeds if you can't reach them. The south-central part of North China is usually sown in late May or early June. Seeding quantity. Generally, 1520 kg of rice straw or 15kg of cottonseed husk can be put into the sunny bed per square meter, and the amount of bacteria is 60.8% of the weight of the culture material, that is, 1.2 to 1.5 kg per square meter. If it is cultivated for the first time, the strain should be increased appropriately.
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