Manilkara zapota (Linn.) van Royen) is named man's heart because its fruit resembles a human heart. And because the fruit of the human heart fruit resembles a persimmon, it can also be called "Wu Feng persimmon". There are also other names for red iron fruit, odd fruit and so on. Native to tropical America, the heart fruit is cultivated in Guangdong, Guangxi and Yunnan (Xishuangbanna) in China, and is a fruit with high nutritional value.
Hearts are fruitful
The man's heart fruit is an evergreen tree of the genus Clematis in the family Lameraaceae, 15–20 m tall (growers are often shorter and often shrub-like), with small branches of tea brown with distinct leaf marks. The leaves are alternate, and the flowers of the heart fruit are usually 1-2 flowers born in the axils of the top leaves, about 1 cm long, and the anthers are long and ovate; the petals of the vestiges are petal-shaped, the ovary is conical, the peduncle is cylindrical, and the base is slightly thickened. The skin of the fruit is spindle-shaped, some will be rounded, the skin color is brown, the flesh is yellowish brown, the seeds are flat, and the flowering period is 4-9 months.
Heart fruit is a tropical fruit, like high temperature and humidity, not hardy, the soil to fertile and deep sandy or clayous loam soil is appropriate, in the low fertility of the clay soil can also develop normally, in drainage, sunshine needs to grow faster in a good environment. Fertility temperature is 22-30 degrees Celsius, winter can tolerate 2-3 degrees Celsius low temperature, large trees at -3 degrees Celsius low temperature can be normal winter, at -4.5 degrees Celsius for several hours by severe frost damage, seedlings at -1 degree Celsius by frost death, young fruits at -1 degrees Celsius frost damage. If it is economic cultivation, it should choose to develop in areas with higher temperatures, and the fruit of the human heart requires sufficient water, the annual rainfall is above 1300mm, the growth is good, the root system is deep, and it is very drought-tolerant. More tolerant of barrenness and salt. The tree is tall and large, and the branches are brittle and easy to break, so it is not allowed to build gardens in the air outlet and in places where the wind is serious.
Human heart fruit is evergreen all year round, the tree shape is beautiful, commonly used as a street tree and green ornamental tree species, planted in the small garden in the south, you can watch and eat, can also be potted in the hotel lobby, commercial hall and other large places, unique. Heart fruit when the fruit is eaten raw, delicious taste, you can also make jams, dried fruits, fruit wine, drinks, etc., heart fruit tree is rich in gelatinous emulsion, called "Qi Ke gum", is the manufacture of chewing gum high-grade environmental protection gum base. Its seed kernel contains up to 20% oil, and its roots, skin, seeds and leaves can be medicated, which has auxiliary effects on heart disease, lung disease and arteriosclerosis, and is a famous fruit in Hainan. Heart fruit is rich in nutrients, containing protein, fat, vitamin E, as well as phosphorus, calcium, iron and other trace elements and minerals. The content of selenium and calcium is the highest among fruits and vegetables.
The propagation of human heart fruit can be used to sow, cut cuttings and strips, but sowing is easy to mutate, cuttings are affected by the season, the striping time is too long and the reproductive efficiency is low, and the open source creator agriculture uses the plant non-test tube efficient and fast propagation technology invented by researcher Li Changxiao to multiply the human heart fruit, which can be free of variation, low cost, short cycle, large-scale, industrialized large-scale rapid reproduction production, and quickly supply seedlings to all sectors of society. Plant non-test tube efficient fast propagation technology is a new plant cloning new system, completely away from the laboratory conditions, seedling facilities are simple than tissue culture fast propagation investment is dozens of times lower, than conventional seedlings greatly save germplasm material, the amount of explants used in propagation unit material is 3-8 times less than the amount of conventional seedlings; the inoculation speed is extremely fast, 3-5 times that of tissue culture, and the labor efficiency is extremely high.