Precautions for edible fungi

First, we must pay attention to the addition method There are usually three ways to add nutrient solution: spraying, soaking, and filling. It is advisable to spray the nutrient solution in a large amount in the presence of fruiting bodies. Spraying should pay attention to the nozzle should not face the fruiting body, but also pay attention to "four no spray": 1. Young mushroom buds do not spray, so as not to "swell"; 2. Freshly picked mushrooms or mushroom residues Do not spray, so as not to cause bacterial diseases; 3. Do not spray when the air humidity is high; 4. Do not spray when the pests and diseases in the mushroom shed are serious. The soaking method is mainly used for edible fungi in bagged plants. After harvesting 1-2 mushrooms, the cultivation bag will be in a state of water shortage. The bacteria bag can be immersed in the configured nutrient solution, and the length of the soaking time is restored to 80% of the original weight. The acupoint method is mainly used on the mushroom bed cultivation method. The method is as follows: the bacteria bed is drilled with a hole of 10 cm, and the nutrient solution is filled into the hole.
Second, the concentration should be appropriate The concentration of nutrient solution is too high, it will cause the hyphae absorption difficulties, and even cause hyphae damage; the concentration is too low, the effect is not obvious. Under normal circumstances, the concentration of nutrient solution should be controlled at 1-1.5%.
Third, nutrient solution nutrients should be comprehensively supplemented with nutrient solution should be used several nutrients, so that the nutrients required for the growth of fruiting bodies will be comprehensive and reasonable.
Fourth, we must pay attention to changes in the environment When the temperature reaches 20 ° C or above, it is difficult to form high-quality fruit bodies. At this time, in addition to high-temperature edible mushroom varieties, nutrient solution cannot be added. If the culture material has been contaminated by bacteria, it is necessary to remove the bacteria before adding the nutrient solution to avoid a wider range of pollution.

Huaxian Agricultural Technology Promotion Center Lu Shuguang

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