What to Do About Copper Deficiency in Waxberry? Causes and Control Methods Explained
Waxberry twig blight is caused by boron deficiency, so planned boron supplementation can eliminate the harm of this disease. Spraying a 0.1 to 0.2 borax solution 2 to 3 times during the waxberry growing period can effectively control the disease. Root application can also be used; for mild boron deficiency, use 0.3 to 0.6 kg of borax per mu, and for severe boron deficiency, use 1.3...
SymptomsThe tree is stunted, chlorotic and unhealthy, and susceptible to diseases; upper leaves are deformed and discolored, and new shoots wither; roots and branches grow poorly, and gum often appears on the branches; both fruits and seeds are few.
Control Measures
The fundamental measure for correcting copper deficiency is to increase the application of organic fertilizers and apply copper-containing fertilizers. Power plant coal ash contains a small amount of copper, and it can be applied as appropriate in acidic soil. When applying copper-containing pesticides, the impact of their residues must be considered to prevent copper accumulation in the soil and toxicity to waxberry.