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Control Methods and Technical Key Points for Edible Mushroom Mite Pests

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1. Damage symptoms. Mites often gather around the mushroom blocks and bite and feed on the mycelium, so that the damaged mycelium cannot germinate. Mites severely damage the ear base and mycelium of black fungus and silver ear fungus, affecting fruiting body formation and causing rotten ears and deformed ears. 2. Control measures. Mushroom spawn culture rooms and mushroom houses should be kept away from warehouses, feed rooms, chicken coops and similar places. Inspect the spawn regularly; if mites are found, fumigate with a cotton plug dipped in 50% dichlorvos, which can kill the mites without affecting the mushroom mycelium. One week after spawning in the mushroom house, place a piece of plastic film on the surface of the substrate, and after 1~

1. Damage symptoms. Mites often gather around the mushroom blocks and bite and feed on the mycelium, so that the damaged mycelium cannot germinate. Mites severely damage the ear base and mycelium of black fungus and silver ear fungus, affecting fruiting body formation and causing rotten ears and deformed ears.

2. Control measures. Mushroom spawn culture rooms and mushroom houses should be kept away from warehouses, feed rooms, chicken coops and similar places. Inspect the spawn regularly; if mites are found, fumigate with a cotton plug dipped in 50% dichlorvos, which can kill the mites without affecting the mushroom mycelium. One week after spawning in the mushroom house, place a piece of plastic film on the surface of the substrate, and after 1-2 minutes pick it up and observe; if mites are found, they must be completely eliminated before casing soil is applied. Generally, first spray 0.5% dichlorvos inside the mushroom house; under greenhouse conditions below 20°C, close doors and windows, and for a mushroom house with a cultivation area of 111 sq m, fumigate with 1000 g of dichlorvos for about 18 hours. If a small number of mites remain, spray 0.5% dichlorvos once more. For mites damaging black fungus, spray 0.5% dichlorvos; for mites on the ear base, spray with tetradifon at a dilution of 1:1000.

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