Elm Tree Decay Fluid
As a common courtyard tree species, the issue of elm tree sap leakage困扰s many gardening enthusiasts. When the trunk exudes clear or milky white fluid, it not only affects the ornamental value but may also endanger the health of the tree. This article systematically analyzes the causes of elm tree sap leakage and provides scientific treatment solutions to help you save precious plants.
In-depth Analysis of Elm Tree Sap Leakage Causes
Improper Pruning
Improper pruning is the main cause of sap leakage. Using rusty tools and rough cut treatment can extend the exposure time of wounds, increasing the risk of pathogen invasion. Data shows that the infection rate of wounds with a diameter greater than 3cm reaches 72%.
Insect Infestation Impact
Borer beetles, flatheaded borers, and other wood-boring pests eat inside the trunk, with their excrement mixing with tree sap to form brown pus. It is common to see wood shavings accumulate around the holes, which requires timely treatment with systemic insecticides.
Emergency Treatment Plan for Elm Tree Sap Leakage
Handling Small Wounds
For wounds with a diameter less than 2cm, it is recommended to follow a three-step treatment: ① Disinfect with a 5% potassium permanganate solution ② Apply beeswax to seal the wound ③ Wrap with breathable non-woven fabric. Avoid getting wet for 2 weeks after treatment.
Emergency Treatment for Severe Leakage
Continuous leakage requires absorbent therapy: first, use sterile gauze to absorb the exudate, then sprinkle copper sulfate powder. Research shows that this method can shorten the healing period by 40%.
Elm Tree Maintenance and Prevention System
Golden Time for Pruning
It is recommended to prune from late March to early April, when the sap flow is slow. Using a special wound healing ointment can form a 3mm protective layer.
Comprehensive Pest Control
Apply a mixture of imidacloprid and carbendazim every quarter, focusing on the main trunk crotch area. Set up sex pheromone traps to monitor pest populations, keeping the pest rate below 5%.
By combining scientific treatment with daily maintenance, the cure rate for elm tree sap leakage can reach over 90%. The key is to grasp the golden treatment period, take corresponding measures immediately upon detecting sap leakage, and check regularly to prevent recurrence, bringing the precious elm trees back to life.