Method for controlling honeysuckle brown spot

Flos Lonicerae brown spot is a common disease in the leaves of Flos Lonicerae, which leads to the weakening of plant growth. Most of the disease occurred in the middle and later stages of growth, and it was at its peak in August and September, and it was serious under rainy and humid conditions. Brown dots were formed on the leaves at the beginning of the disease, and then enlarged into brown round or irregular spots. There are gray-black mildew on the back of the disease spot, and the leaves fall off when the disease is serious, affecting plant growth and flowering.

Control methods: cut off the diseased leaves, then spray them with 1 ∶ 1.5 ∶ 200 Bordeaux solution, once every 7 to 10 days, 2 to 3 times continuously.