Annona has the function of activating brain cells, and is often used to treat brain atrophy abroad. Patients often eat annona, which has obvious auxiliary dietotherapy effect on relieving symptoms. In addition, the fiber content of annona is very high, which can effectively promote intestinal peristalsis and discharge feces accumulated in the intestine. At the same time, it is the best antioxidant fruit, which can effectively delay skin aging and whiten skin.
Annona also has antifungal and antiparasitic effects. In addition, it can help regulate blood pressure, and it is also an antidepressant and a broad-spectrum antibiotic.
Annona can be planted as a tropical fruit tree, which is suitable for planting and viewing in garden green space, and the effect of planting alone or in pieces is good.
Annona is very sensitive to water, and too much water is not conducive to plant growth. Short-term flooding affected the growth of annona squamosa, resulting in the decrease of leaves and flowers. Irrigation or rainfall is important for flowering and early fruiting. During this period, too little water will lead to falling flowers and fruits and slow fruit growth. At the same time, moisture will also affect the quality of fruit. It is reported that the fruit cracking rate of irrigated annona in Australia is 9.8%, while that of non-irrigated annona is 20%. Under the condition of low humidity (relative humidity below 70%), the number of falling flowers increased, the stigma dried and the fruit setting rate decreased obviously. In southeastern Queensland, annona is in full bloom, and the relative humidity during the day is often lower than 30% at the hottest time. In production, they use high-density planting, windbreaks and spraying chemicals to increase the humidity of the orchard. However, too high humidity (above 95%) will dilute the sugar secretion on the stigma and make the pollen germination rate low, which is not conducive to pollination.
Annona trees have strong adaptability to all kinds of soils. It can grow on sandy to clayey soil. But to achieve high and stable yield, sandy soil or sandy loam is better. Because the soil is sticky, poor drainage will affect flowering and fruit setting. Loose sandy loam does not have these shortcomings, and it is easy to control growth through fertilization and irrigation. If the soil layer is shallow, it can be cultivated to thicken the soil layer to improve drainage, and it can also be covered to promote the development of topsoil absorption roots.