Matters needing attention in replenishing water with edible fungi, the archenemy of greenhouse flowers-brown soft medium

Scale insects often occur in greenhouse flowers, of which brown soft medium is the most serious. Brown soft medium can harm Milan, bergamot, tortoise back bamboo, hanging orchid, goose palm wood and other herbaceous flowers, which cluster on the leaves and branches to absorb juice, at the same time discharge a large amount of mucus, causing coal fouling disease, seriously affecting flower growth and ornamental. The insect propagates 4-5 generations a year and can occur all the year round in the greenhouse.

Adults: ovate or long ovate, flattened or slightly raised, 3 mm-4 mm long, 2.8 mm-3.4 mm wide, yellowish brown to brown. The nymph is small, yellowish and soft.

Prevention and control methods:

1. Manual erase: when the number of worms is small, gently wipe off with a soft wipe or matchstick.

two。 Medicament: spray 3% diesel emulsion, check after 10 days, the edge of the worm shell is raised and fall at a touch, indicating that the worm is dead.

3. Burying medicine: use 2 grams-3 grams according to the pelvic mouth inner diameter of 15 cm, add 2 grams for every 5 cm, bury 3% furan granules in the basin soil, and then everything is managed normally. This method can guarantee that there will be no more insects in a long period of time.