Methods for controlling diseases and pests of巴西木
As a representative of tropical ornamental foliage plants, 巴西木 is popular for its upright growth habit and elegant leaf shape. However, diseases and pests often cause trouble for growers during the maintenance process. This article systematically sorts out the control methods for common diseases and pests of 巴西木, combined with scientific maintenance techniques, to help you create healthy plants.
巴西木 disease prevention and control system
Comprehensive control of stem rot
In the early stage of the disease, brown spots appear on the leaves, and in the later stage, the stem rots. In addition to maintaining 4-6 hours of scattered light per day, it is recommended to use ceramsite mulch to enhance drainage. For chemical control, a 70% methylthiophanate-methyl wettable powder solution (800 times) is recommended, and better results can be achieved when combined with pruning of diseased branches.
Leaf disease management
Epiphytotic diseases often occur during the plum rain season, and it is possible to set up waterproof shelters and use an 80% mancozeb 600 times solution for prevention. For the control of (T-J) disease, it is necessary to pay attention to balanced fertilization with nitrogen, phosphorus, and potassium, and alternately use 25% propiconazole and 50% carbendazim when the disease occurs. For the control of gray mold, it is important to keep the humidity below 70% at night, and the use of metalaxyl smoke fumigation shows significant results.
Solutions for 巴西木 pest problems
Control of invasive pests
Sugarcane striped caterpillars often hide in leaf sheaths. In addition to checking leaf axils when purchasing, yellow sticky traps can be hung for monitoring. Immediately spray a 2.5% bromide** ester emulsion (2000 times) when pests are found, focusing on the application to the stem crevices.
Dealing with boring pests
The key to preventing the granulate beetle is early spring prevention, starting with the application of a 40% chlorpyrifos emulsion (1000 times) in early March. For plants with bored holes, injections of aluminum phosphide tablets can be administered, followed by sealing the bag for 48 hours.
Environmental control preventive measures
Maintaining a day-night temperature difference of 8-10°C can enhance disease resistance, and a thermometer and hygrometer should be used for real-time monitoring. The matrix is recommended to be prepared according to the ratio of peat: perlite: pine bark = 5:3:2, and applying Bacillus subtilis every quarter to improve the flora.
By accurately identifying symptoms, using scientific medication, and combining environmental control, a three-dimensional protection system can be established. Regularly rotate the flowerpot to ensure even lighting, and spray the leaves with seaweed acid once a month to enhance stress resistance, keeping 巴西木 in the best condition at all times.