What to Do When Chrysanthemums Have Worms
Today, the editor will explain the topic of what to do when chrysanthemums have worms. Let's proceed with the introduction.
What to Do When Chrysanthemums Have Worms
When chrysanthemums have worms, the most severely affected parts should be pruned, then suitable pesticides should be purchased and sprayed, or soap water can be used for control. Moreover, the cultivation environment should be kept ventilated and dry, not too humid, otherwise, the worms may reappear. To prevent diseases and pests in chrysanthemums, it is necessary to apply pesticides in a timely manner, taking into account the production season and weather changes, and adopt comprehensive control measures.
Chrysanthemum Diseases and Pests
Chrysanthemums prefer cool and cold-resistant conditions, with an optimal growth temperature of 18-21°C. The underground stems are drought-resistant and hate waterlogging. They thrive in high terrain, deep soil layers rich in humus, loose and fertile, well-drained loamy soil. They can grow in slightly acidic to slightly alkaline soil, with a pH of 6.2-6.7 being the best. Common diseases in chrysanthemums include brown spot, black spot, powdery mildew, brown rust, black rust, and root rot. Major pests include aphids, red spiders,Geometrid moths, chrysanthemum beetles, grubs, leaf-mining caterpillars, grasshoppers, snails, ground beetles (H), chrysanthemum borers, and green stink bugs, etc.Reasons for Worms in Chrysanthemums
The cultivation of chrysanthemums requires certain technical skills. High temperatures in winter can lead to an excessive number of aphids, so windows should be opened frequently for ventilation to maintain an appropriate room temperature. However, they should not be placed in shady areas, as chrysanthemums also need plenty of sunlight.Solutions to Worms in Chrysanthemums
If chrysanthemums have worms, the most severely affected parts should be pruned, then suitable pesticides should be purchased and sprayed, or soap water can be used for control. Moreover, the cultivation environment should be kept ventilated and dry, not too humid, otherwise, the worms may reappear.What pesticide to use for worms in chrysanthemums: If kept outdoors, a mixture of pyrethroids and dimethoate can be sprayed twice, with an interval of about 4 days between sprays. If kept indoors, soak tobacco in water for a day and then spray the leaves, which also has some effect. Tricks to solve worm problems in chrysanthemums:1. Light a mosquito coil and place it near the affected area of the chrysanthemum, then cover it with a plastic bag.2. Mash garlic into a paste, add 50 ml of water, filter the water, and spray the affected areas three times consecutively.Preventive Measures for Chrysanthemum Diseases and Pests
Prevention of chrysanthemum diseases and pests should focus on strengthening fertilization and water management to enhance disease resistance. Prevention is the main strategy, and timely application of pesticides combined with production seasons and weather changes is essential for comprehensive control. Using a mixture of pesticides can result in better control, for example, mixing Hushengling with carbendazim or Hushengling with metalaxyl for controlling black spot disease in chrysanthemums.以上(() introduce the relevant content of what to do when chrysanthemums have worms, hoping to be helpful to you!