How to Prevent and Treat Common Diseases of Bougainvillea in Winter

Many people grow bougainvillea, but once winter comes they run into some diseases that are hard to solve. So how do you treat bougainvillea diseases in winter? Let's take a look!

1. How to treat bougainvillea diseases in winter

When bougainvillea develops diseases in winter, you first need to manually remove the adult insects, then spray chemicals to control them. Usually you should loosen the soil and deal with dead and yellow leaves in time.

2. Introduction to the main bougainvillea diseases

1. Dieback

Symptoms: This disease mainly harms the branches and buds. In the early stage of the disease, cankerous spots appear on the young shoots, greatly affecting their growth, and the ornamental value is also affected.

Control: Usually you need to loosen the soil and weed, and promptly remove nearby dead branches and diseased leaves, which can reduce the chance of it occurring. Pay attention to good ventilation at ordinary times, which can reduce the spread of the pathogen. You should also strengthen inspection for the disease; if it appears, it needs to be dealt with promptly, and you can also spray chemicals for treatment, such as dimethoate, thiophanate-methyl and similar solutions.

2. Leaf beetles

Symptoms: This is one of the pests that bougainvillea is prone to being infected by. The adults and larvae bite and eat the leaves, causing holes to appear in the leaves, and in severe cases they even bite them into a net-like pattern, doing considerable harm to the plant, and the yield also decreases.

Control: Plow the land in time so as to destroy the adults inside it. If adults are found, you first need to remove them manually, and you also need to spray chemicals for control.

That is all that Tuliu.com has summarized and compiled for you today on bougainvillea-related questions. We hope this article is helpful to you.