1. Water content: perilla can withstand waterlogging and is suitable for growing in a slightly wet environment. It needs to be supplemented with water in time at ordinary times. Water evaporates quickly in midsummer, need to be watered more, drainage work should be taken in rainy season, no ponding.
2. Light: if conditions permit, it should be placed in a place with good sunshine, which can withstand shade to a certain extent. In the hot weather, we should do a good job in shading
3. Fertilizer: sufficient base fertilizer shall be applied during cultivation. According to its growth, organic fertilizer shall be applied 3-5 times in growth period, and leaf fertilizer can also be sprayed properly.
1. Blight: it will damage the leaves after occurrence, and there will be large areas of disease spots on the leaves. Usually need to ensure adequate ventilation, pay attention to drainage, when the first onset of zinc can be used to solve the problem.
2. Starscream: it often appears on the back of the leaf. There will be yellow and white spots on the back of the leaf, and it will cause the leaf to fall seriously. After the occurrence, the diseased leaves should be cleaned up as soon as possible, and spray killed with dimethoate emulsion.