The great enemy of greenhouse flowers-- Brown soft medium, the method of flower maintenance
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.
- Prev
Common diseases and insect pests of flowers-black spot, methods of flower maintenance
Common diseases and insect pests of flowers-black spot
- Next
Know the skills of plants how to harvest the seeds of the four seasons plum
Four seasons plum is a relatively cultivated flower plant, because it belongs to the grass family, so it will give birth to seeds when it blossoms. Moreover, as long as the conditions are suitable, the ripe seeds are randomly scattered on the cultivated soil in the flowerpot in early spring, and then covered with some soil and watered.
Related
- What if the leaves of potted flowers turn yellow?
- Florescence Control of several Flowers
- Anti-freezing technology and post-freezing nursing technology of flowers
- What is the classification of flowers? What are the common methods of flower classification?
- Prevention and control of alkali and acid damage of flowers in courtyard
- Technology of Anti-freezing and restoring growth of Flower seedlings in greenhouse and greenhouse
- How does flower fertilization not hurt the root? Fertilization technology of flowers
- Key points of disinfection in flower greenhouse
- Several pesticides that are banned or used cautiously in flowers
- How to fertilize the flowers that watch the leaves?