In the middle and late June, the early rice in the south will gradually enter the heading and heading period, which is a crucial period for the prevention and control of pests and diseases. At present, the occurrence of rice planthoppers is lighter than that of the previous year, and the area of ​​the occurrence of rice planthoppers is concentrated in the south China and southern rice areas. The amount of S. infestans is high in some areas; After the prevention and treatment of crickets, the density of insect populations decreased. Rice sheath blight, rice blast disease and other diseases occur near the normal level. In the recent southern rice region, there has been an obvious rainfall process, which is conducive to the occurrence of rice pests and diseases. Strong convective weather is conducive to the movement of “two migrations†of pests, and the high temperature and high humidity environment is also conducive to the occurrence of diseases such as sheath blight. It is necessary to strengthen monitoring, fully grasp the development of pests and diseases, and do a good job of prevention and control. Plant extracts refer to substances extracted or processed from plants (all or a part of plants) with appropriate solvents or methods, which can be used in pharmaceutical industry, food industry, daily chemical industry and other industries. Nowadays, the application range of plant extracts has been very wide. In addition to traditional Chinese medicine products, with the gradual increase of people's trust and reliance on natural products, a large part of plant extracts have been used in health care products and food ingredients. In addition, plant extracts have been used in cosmetics and feed in recent years. Andrographis Paniculata Extract,Hydrocotyle Asiatica Extract,Icariin,Reishi Mushroom Extract,Maca Root Extract Xi'an Gawen Biotechnology Co., Ltd , https://www.amulyn-bio.com