What to Do When West Sufu Crabapple Trees Have Pests
The West Sufu crabapple is beloved by horticulture enthusiasts for its graceful bloom, but pest problems often give caregivers a headache. When abnormal branches and leaves or signs of pest activity are detected, timely identification of the pest type and targeted measures are key to saving the plant. This article will systematically analyze the strategies for dealing with pest infestations in West Sufu crabapple trees, from the causes to the control methods.
Guide to Preventing Common Pests in West Sufu Crabapple Trees
Beetles: Root and Stem Killer Treatment Plan
Beetle larvae often lurk in the soil, eating roots, while the adults bite tender stems. It is recommended to spray 40% omethoate emulsion 1000 times dilution weekly, and after applying the pesticide, loosen the soil to a depth of 5 cm to enhance the penetration of the effect. For severely affected plants, a 25% phoxim microcapsule suspension 300 times dilution can be applied to the roots to form double protection.
Spider Mites: Leaf Defense Battle
High temperatures and dry conditions can trigger spider mites, with yellowish-white spots visible on the leaf backs in the early stages. In addition to promptly removing diseased leaves, it is recommended to alternate between 30% pyridaben emulsion 2000 times dilution and 5% abamectin emulsion 3000 times dilution, focusing on spraying the leaf backs, every 7 days for 3 consecutive times to see an effect.
Aphids: Juice Robber Response
Aphids gather on tender shoots to suck sap. They can be physically removed with a high-pressure water gun first, then sprayed with 50% pymetrozine wettable powder 2000 times dilution. Biological control can introduce predators such as ladybugs, and in severe cases,配合 10% imidacloprid wettable powder 1500 times dilution can be used for soil treatment.
Daily Maintenance Preventive Measures
Keep a plant spacing of more than 50 cm to ensure ventilation, and apply lime sulfur solution to the branches during winter cleaning. Apply phosphorus and potassium fertilizers monthly to enhance resistance, and spray mancozeb before the rainy season to prevent disease-induced pests.
By accurately identifying pest types and combining chemical control with ecological regulation, along with scientific maintenance management, the spread of pests in West Sufu crabapple trees can be effectively controlled. Regular observation and early detection and treatment are necessary to protect the healthy growth of the crabapple trees.