The best growth temperature of bergamot is about 22-24 ℃, as long as the temperature is above 5 ℃, it can survive the winter safely. It is best to ensure that the annual sunshine hours of Buddha's hands are between 1200 and 1800 hours.
The humidity of bergamot is generally 70% - 90%. The root system of bergamot is shallow and needs frequent watering. The summer high temperature period is the growth period of the fingered citron. The water demand is bigger. Sooner or later, the water should be watered. Spray water should be used to improve the humidity of the surrounding air. After autumn, the amount of watering decreased gradually. The temperature is relatively low in late winter and early spring. Due to the slow indoor evaporation, watering should not be too frequent. Generally, watering can be done every three or five days to keep the basin soil moist. In the primary stage of flowering and fruiting, watering should not be too much to prevent a large number of falling flowers and fruits.
Spring is the period when the new shoots of bergamot are produced. At this time, the fertilization should be light. It is better to apply nitrogen fertilizer thinly once a week in combination with watering. In summer, the flower and fruit of bergamot are full of Qi, which needs a large amount of fertilizer. In early autumn, P, K, CA compound fertilizer should be applied to improve the fruit setting rate. After picking the fruit, it is necessary to apply phosphorus and potassium fertilizer in time to supplement nutrition for the plant, so as to restore growth and lay a good foundation for the next year's flowering and bearing.
Choose to grow in acid loam which is loose, fertile and well drained.
The main diseases and insect pests of bergamot are leafminer, spider, rust tick, scale insect, anthrax and so on. To take "prevention first, comprehensive management", once the occurrence of diseases and insect pests, timely take corresponding measures, adjust maintenance measures, chemical control
Bergamot grows rapidly and has many branches. It must be pruned and reshaped every year to keep its vigorous growth and even branches. In the flowering and fruiting period, it usually begins to sprout in March and prunes after harvest in autumn and winter. Prune and reshape after fruit picking and before sprouting in March, and cut off Cross branches, dead branches, diseased branches and overgrown branches. Short branches should be kept as much as possible, because many of them are fruiting mother branches, except for the need of individual to expand the crown, the rest of the summer shoots should be cut off.
Generally, basin replacement should be carried out once every 2-3 years, in February March or September October, and new nutrient soil should be added at the same time. While changing the basin, you can also trim the Buddha's hands properly. After changing the basin, put it in the half shade for a period of time, and then it can be restored to normal maintenance.