1、 Ventilation

If the rose is maintained indoors, the harm of red spider is usually caused by poor ventilation. Should adhere to open the window, more ventilation, good indoor air circulation can reduce the occurrence of red spider

2、 Timely watering

This kind of insect pest likes dry and dry environment. When the weather is dry and the temperature is high, it should be watered in time, and spray more water at ordinary times to maintain relatively high humidity, which will reduce the probability of insect method and can be prevented. If there are already pests, it is still necessary to spray drugs in time for treatment

3、 Drug treatment

There are many drugs for red spider. Pyridaben and abamectin can be used alternately to avoid resistance. Spraying drugs is to spray carefully and evenly. Both sides of leaves, stems and soil should be sprayed to avoid missed fish, which will bring future problems. In addition, we should also pay attention to collecting and burning the fallen diseased leaves and dead leaves, so as to avoid insect eggs from continuing to harm the plant