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What are the control methods for mushroom slugs?

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Morphological characteristics The wild slug (Deroceras agreste) has a soft body without a shell, dark gray, yellowish white or grayish red in color, and secretes colorless mucus; when extended, its body length is 30-40 mm and width 4-6 mm. The two-lined mucous slug (Philomycus bilineatus) is soft and shell-less, grayish white or pale yellowish brown, secretes milky white mucus, and when extended measures 35-37 mm in length and 6-7 mm in width. The yellow slug (Limax flavus) is soft and shell-less, dark orange or yellowish brown, secretes pale yellow mucus, and when extended reaches 120 mm in length and 12 mm in width. Occurrence pattern and living habits

Morphological characteristics The wild slug (Deroceras agreste) has a soft body without a shell, dark gray, yellowish white or grayish red in color, and secretes colorless mucus; when extended, its body length is 30-40 mm and width 4-6 mm. The two-lined mucous slug (Philomycus bilineatus) is soft and shell-less, grayish white or pale yellowish brown, secretes milky white mucus, and when extended measures 35-37 mm in length and 6-7 mm in width. The yellow slug (Limax flavus) is soft and shell-less, dark orange or yellowish brown, secretes pale yellow mucus, and when extended reaches 120 mm in length and 12 mm in width.

Occurrence pattern and living habits They reproduce one generation per year. The optimum temperature for activity is 15°C-25°C, and the suitable temperature for egg-laying is 4°C-5°C lower than the usual activity temperature. When the average soil temperature is stable above 9°C and soil humidity is around 75%, conditions are suitable for egg-laying, and eggs are mostly laid in soil crevices. The living habit of slugs is to hide by day and come out at night, and to hide in clear weather and come out in rain. During the day they hide under dark, damp grass, dead branches, fallen leaves, stones, bricks and rubble, and at night or on cloudy and rainy days they come out to cause damage.

Infection routes and damage symptoms Slugs feed directly on mushroom fruiting bodies, biting them into notches or jagged edges, thereby losing their commercial value. Fruiting bodies that slugs have crawled over often bear a white trail, affecting product quality.

Control methods (1) Maintain good environmental sanitation inside and outside the mushroom house, remove bricks, stones, dead branches, fallen leaves and weeds, and spread a layer of lime powder on the ground. (2) Based on the pattern that slugs hide by day and come out at night, and hide in clear weather and come out in rain, and damage mushroom bodies at night or on cloudy and rainy days, carry out manual capture and killing. (3) Poison baiting. Make toxic bait from calcium arsenate and bran cake (1:10) and scatter it near the mushroom house in the evening. (4) Spray 5% cresol soap solution at places where slugs frequently pass in and out; the control effect is good.

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