Prevention and control of mushroom slug

The body is soft and without shell, dark gray, yellow-white or grayish red, and the mucus secreted is colorless. When stretching, the body is 30-40 mm long and 4-6 mm wide. The bifilar myxophilic slug is soft without shell, grayish white or yellowish brown, and the mucus secreted is milky white. When stretching, the body length is 35 mm 37 mm and the width 6 mm 7 mm. The yellow slug is soft without shell, dark orange or yellowish brown, secretes yellowish mucus and stretches 120 mm long and 12 mm wide.

The occurrence regularity and living habits reproduce one generation a year, the optimum temperature of activity is 15 ℃ ~ 25 ℃, and the suitable temperature of spawning is 4 ℃ ~ 5 ℃ lower than that of usual activities. When the average local temperature is more than 9 ℃ and the soil moisture is about 75%, it is suitable for it to lay eggs, and most of the eggs are laid in soil crevices. The living habits of slugs are day and night, sunny and rainy, hiding under dark and damp grass, dead branches, fallen leaves, stones, bricks and rubble during the day, and go out at night and on rainy days.

Infection pathways and harmful symptoms slugs directly feed on mushroom fruiting bodies and bite them into notched or zigzag shapes, thus losing commercial value. Fruit bodies crawled by slugs often leave a white mark, affecting the quality of the product.

Control method ① does a good job in environmental hygiene inside and outside the mushroom room, removing bricks, stones, litter and weeds, and sprinkling a layer of lime powder on the ground. ② hunts and kills slugs artificially according to the rule that slugs do harm to mushrooms at night or on cloudy and rainy days. ③ drug entrapment. The poisonous erbium was made from calcium arsenate and cake bran 1 ∶ 10 snow and scattered near the mushroom house in the evening. ④ sprays 5% of the cresol soap solution where slugs are frequented, and the control effect is good.