What to do with rust spots on the leaves of hibiscus flowers

Some flower friends prefer to raise this kind of flower. Originally, the plant was relatively healthy. Later, there were some brown stripes on the leaves, so they were afraid that it would harm the whole plant. So how to deal with this problem?

Symptoms

The leaves of the plant gradually grow some round or irregular shaped stripes, which are relatively small, about 1 mm to a few millimeters, which looks yellow brown, some are dark brown. All of a sudden, these brown spots are surrounded by a yellow halo. These plates are composed of brown spots. Serious will show that the whole leaf is covered with these terrible things, the leaves will change, and then it is easy to fall

2. Reasons

It can be said that the main reason is that a kind of bacteria called the fungi of seminiflora and other kinds of bacteria damage the plants together or in combination. These pathogens all present the state of mycelium or fruiting body and spend the winter on the diseased leaves, then spread through the wind and rain. It is usually caused by the poor permeability of the planting area or the warm weather and rainy weather.

Hibiscus

3. Method

The first step is to quickly take off the diseased leaves and burn them all together, so as to avoid further spread of the bacteria.

2 prevention and control. It can spray 600 to 800 times of Guoguang Yintai liquid on the branches and leaves regularly, plus Guoguang sitanling, which can effectively supplement nutrition while preventing diseases.

If you are just sick, you can use 25% prochloraz cream 500 to 600 times or 50% manganese zinc wettable powder 400 to 600 times to spray on the branches and leaves. You should use it 2 to 3 times in a row, once a week.