For Paeonia, anthrax is the most common disease. At the beginning of the disease, the spots appear oblong, and then large-scale spots, which often appear in high temperature weather. Spray in the early stage, spray some anthrax forme WP 800 times solution, can control the disease. When it is serious in the later stage, the diseased leaves can be cut off, and then they can be collected and destroyed.
When flowering, there will be some light yellow brown spots on the leaves, and in the later stage, they will send out yellow powder. If you want to cure it, you need to spray some 500 times of zincic on a regular basis. It is difficult to cure it once. It needs to be eliminated once every 10-15 days for about 3-4 consecutive days.
There are many varieties of this kind of insect, which will cause damage to the roots and the root rot in the later stage. It will do great harm to the plants themselves. In order to prevent this kind of insect pest, it is necessary to disinfect the basin soil before planting, thoroughly remove the eggs, and spray insecticide after later detection.
This kind of insect is more serious from April to September. It will bite the root under it. When it is serious, it will turn the juice leaves on the ground yellow and wither. In the dangerous period, spray a little 50% marathon emulsion.
