Perilla is a very common spice vegetable and fruit, belonging to the green plant of the family Lipaceae, also known as white su, red su. Perilla has a distinctive spicy flavor and grows in most parts of China.
The price of perilla has also continued to increase in recent years, and the fresh perilla leaves are above 20 yuan per kilogram. Under the general condition, perilla is basically sold in the summer, and the perilla is sold very little before the Spring Festival, at this time, the annual output value per mu is more than 30,000 to 40,000 yuan. This price may be the reason why some people said that shiso is expensive not long ago.
Perilla is also called gui, white su, red su, etc., its leaves will scatter the surface cold, sweating is strong, more used for cold symptoms, see cold, hot, cold and other diseases, often with ginger tablets. Perilla leaf is a unique fragrance, and has the effect of sterilization, anti-corrosion and detoxification. Its roots, stems, leaves, flowers, calyxes and fruits can be used as medicine, have the effect of dispersing cold, walking qi, stomach digestion, sweating, coughing and phlegm, diuresis, and sedative. Perilla is a very typical short-day vegetable and fruit, it blooms in September, the seeds are perfected in October, regardless of the size of the main stem of perilla, the sunshine is short and the seeds are flowered.
If you are manufacturing perilla leaves in a greenhouse in winter, you must carry out the planting technology of soft light lamps, otherwise the flowering and seeding situation will occur at the emergence of seedlings. Perilla is more susceptible to infection with diseases, so in the case of planting, we must pay attention to 2 problems, that is, diligent natural ventilation and frequent drainage pipes. In general, the disease of perilla is caused by too much wet and cold in the soil layer, so if you can assist the perilla drainage pipe and ventilate it more, it will reduce the probability of disease.