The function and maintenance method of mosquito repellent

Mosquito-repellent herbs are a perennial aromatic plant introduced by the Municipal Agricultural Research Institute and cultivated successfully using tissue culture techniques. Since it was put on the market in March of this year, it has been favored by the general public. Many citizens have telephoned and asked the plant's mosquito repellent effect and conservation knowledge. The technical personnel responsible for the group culture work of the Municipal Agricultural Research Institute briefly reply as follows: The use of high-tech breeding successful multi-functional plants, mainly to drive away mosquitoes, green ornamental and clean air and other functions. According to tests conducted by scientists from agricultural science institutes, in the room of 15 square meters, there are more than 30 leaf-repelling vanilla on the windowsill or balcony where there is sufficient light, but it is not suitable for direct exposure to sunlight in the summer; secondly, Ventilation is often done to prevent mosquitoes from adapting; the third is to pay attention to the principle of wetness between the stems, and generally 5 to 7 days can be poured once. In the summer, some fresh water is often sprayed on the leaves of insect repellent herbs to make the aroma more full and the mosquito repellent better.