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These ten plants have mosquito repellent effects

In ancient China, when there was no mosquito repellent incense or fan, people used to burn Artemisia to repel mosquitoes. In a closed environment, they could effectively repel mosquitoes. As the saying goes: there is mosquito repellent grass at home, and mosquitoes don't bite in four seasons. Small series for you to screen several summer mosquito repellent plants, mosquito repellent at the same time can also eye.

1. Evening primrose

Nocturnal: also known as nocturnal tree, native to tropical America. Leaf blade cordate, margin covered with pilose. Every summer and autumn, there will be clusters of yellow and green bell shaped flowers blooming in the armpit of the leaves. When the trees are on the top of the month, they will have bursts of fragrance. This fragrance, however, makes mosquitoes afraid and is a good mosquito repellent.

2. Lavender

Lavender: it's a small blue purple flower. Mediterranean origin, likes to dry, the flower shape is like a wheat spike, usually flowering in June. Lavender itself has the effect of killing insects. People usually put lavender sachet in the cupboard, and some put it in the bedroom to repel mosquitoes.

3. Cordyceps (flytrap)

Cordyceps is a kind of herb in Compositae, which can grow up to 1 meter high. The flowers are small yellow. There are hundreds of flower heads in one plant. There is mucus around each flower head, just like five outstretched little fingers. It's very interesting. As long as there is a small mosquito on it, it will be stuck. After that, the body of the insect will be slowly digested as its growth nutrition. If there is dust stuck on it for several days, it will be digested without trace.

4. Mosquito repellent grass

Mosquito repellent grass has lemon fragrance. If it is kept in the house, the mosquito will escape. In hot summer, the fragrance will make you feel refreshed and relaxed. After testing, the mosquito repellent effect is good, harmless to human and livestock, and can repel hundreds of mosquitoes. Mosquito repellent grass can be cultivated indoors and outdoors. Generally, the higher the temperature, the stronger the fragrance, and the better the effect of mosquito repellent.

5. Geranium

Geranium is a kind of plant that can bloom all the year round. It blooms most in spring. Because Geranium has a special smell, which mosquitoes do not like very much, so they often avoid it.

6. Qilixiang

A plant with extremely fragrant leaves that look like peas. Ancient people used to collect books, avoid beetles, and put mats under them to get rid of fleas and lice. Touch its leaves, you will feel a thick sweet fragrance, mosquito repellent effect is very good.

7, peppermint

Peppermint contains peppermint oil, menthol and menthol. Peppermint oil, menthol and menthol are easy to disperse. To some extent, they can drive away mosquitoes, including flies.

8. Pitcher grass

Pitcher grass has a unique organ to absorb nutrients -- insect catching cage, which is cylindrical in shape, slightly expanded in the lower half, and has a cover on the cage mouth. Because the shape is like a pigsty, it is called pitcher grass.

Pitcher grass is one of the insectivorous plants because of its poor soil and its nutrition is supplemented by catching insects and other small animals. Pitcher grass can be used for medicine. It has certain curative effect on diseases such as hepatitis, stomachache, hypertension and cold. It is also a master mosquito catcher.

9. Artemisia argyi leaves

Use AI Shao once to make it strong. Artemisia argyi not only treats many kinds of diseases, but also has different fragrance, which can be used as flavoring materials. Smoke from branches and leaves can repel mosquitoes and flies, with the efficacy of killing bacteria by poison.

10. Pyrethrum

The flower stamen of pyrethroid is rich in a kind of insecticidal active substance called pyrethroids or pyrethroids, which has a significant insecticidal effect.

Pyrethrin is characterized by its neurotoxicity. Once it is contacted by pests, it will quickly embed into the nervous system of pests, and quickly knock down and kill pests. However, its characteristics will not play a role in the nervous system of humans and mammals, and will not be retained in mammals. It is the only insecticidal plant intensively cultivated in the world.