1、 Aphid
Its breeding speed is very fast. If you don't pay attention, it is very easy to happen in large areas, so it should be handled in time. The number of insects is small when they first appear. You can use a brush to dip in clean water, brush off the insects, and then kill them all. When the quantity is large, it should be sprayed with 40% emulsion, and it should be used for 3 or 4 times p>
2、 Scale insects
This kind of insect is relatively small. It will also invade the leaves of mirror grass, turn the leaves yellow and reduce the ornamental. Similarly, when the amount is small, brush it manually, and when the amount is large, spray it with Omethoate with a concentration of 40%. Or when the Baijiu is added to the water, it will kill the scale insect. p>
3、 Starscream
Lack of ventilation in the environment will lead to the emergence of red spiders, which will absorb nutrients from leaves. Once found, clean it, use Omethoate and dicofol EC, spray the medicine every 5-7 days, and stick to it for 2-3 times, and the insects will be basically eliminated p>
4、 Puff scale
When it happens, the amount will be very large, and the leaves of the plant will turn yellow and wither. It is necessary to check at all times. Once the insect eggs are found, the diseased leaves should be cut off immediately. If insects breed more, it is recommended to spray Omethoate and fenitrothion, or mix washing powder with water p>