People who like to raise flowers know that once plants attract insects, they are very troublesome. The original beautiful flowers have become ugly a lot, serious even yellow withered, and, with a lot of insecticidal drugs, the effect is general, the insect shell is still repeated, very affecting the mood of the farmer, but also not conducive to the growth of plants, at this time, how to completely eliminate the insect shell? Try the following methods.
1. Use insecticidal drugs. Avermectin is diluted with permethrin, diluted with an appropriate amount of water, and evenly sprayed on the plant, be sure to ensure that every rhizome and leaf area can be sprayed. The effect of the stone sulfur compound is also very good. Many times, the effect of spraying drugs is not ideal, because the insects live in groups, and the covering phenomenon causes the bottom insects to not be sprayed into the drug, so when spraying, we must be careful to prevent omission.
2. With a needle. First find the insects by hand, and then use the needles to kill them one by one, this method is only suitable for when the number of insects is still relatively small, and it needs to be carefully checked and not left out.
3. Change the soil and prune the leaves. Since the soil may also contain insect eggs, it is necessary to re-change the soil when necessary, and properly prune the branches and leaves with more insects, and then spray it.
4. Use mosquito coils. Light two mosquito coils in a pot, cover the pot with a large plastic bag, tie the straps and seal them, and open them after two days, this method is suitable for when the insect shell is a larvae.
These are just a few ways to completely eliminate the insect shell.