1、 Treatment method

1. Insecticide: after finding the effective flying insects of green pineapple, the easiest way is to buy insecticide. When using, you need to dilute it in advance, and then spray it evenly on the potted plants

2. Homemade insecticide: this method is to use cut tobacco water, sugar water or garlic juice to drive away. The production method is also very simple. Put the cut tobacco in the water for 8 hours, filter it and spray it where there are insects. Mash the garlic and put it in water. It can be used in about a day. It can also be sprayed where there are pests

3. Disinfect the soil: if you want to completely remove small flying insects, disinfect the soil. You can take out the plants and put the soil in the sun. Or spraying with carbendazim solution can also have the effect of disinfection

2、 Cause of yellowing

1. High temperature: if the temperature is too high during maintenance, the climate will become very stuffy. If you stay in this environment for a long time, the leaves will turn yellow. We should pay attention to cooling and open more windows

2. Large water: if the amount of water is not well controlled, the accumulated water in the soil will damage the root system of the plant, and the leaves are easy to turn yellow after rotten roots. If the yellowing degree is light, just drain the water in time and ventilate. If the yellow leaves are serious, they need to be removed from the pot. The rotten roots should be cut off and replanted