How sunflowers spread their seeds
Sunflower, also known as Chaoyang Flower, gets its name because its flowers often face the sun. Its middle inflorescence is hermaphroditic tubular flowers, brown or purple, can bear fruit. The pericarp is lignified, gray or black, called sunflower seeds. So how do sunflowers spread their seeds?
How do sunflowers spread their seeds
Sunflowers can spread the planting with the help of the wind, or the growers pick seeds that are old enough and sow them.
Second, the function of sunflower
1. Edible
Sunflower seeds contain protein, fat and a variety of vitamins, folic acid, iron, potassium, zinc and other essential nutrients. Sunflower seeds are nutritious and delicious, so they are very popular leisurely snacks. Shelled sunflower kernels can be cooked or used to make cakes, ice cream, moon cakes and other sweets.
two。 Medicinal use
Sunflower seeds, disk, stem pith, leaves, flowers, roots and so on can be used as medicine. Sunflower seeds taste sweet and flat, which can dispel worms and stop dysentery. At the same time, the seeds are rich in linoleic acid, so they have a certain lipid-lowering effect. Seed oil can also be used as the base drug of ointment. The disk can clear heat and resolve phlegm, cool blood and stop bleeding, and is effective for headache, dizziness and so on. The stem pulp is a diuretic and anti-inflammatory agent. Leaves and petals can clear heat and detoxify, but also can be used as stomach tonic. The root of sunflower is fried with water, which can treat diseases such as frequent urination, urgent urination, pain and so on.
3. Economics
Oil sunflower is used to extract oil, which has important economic value. It can not only solve the problem of edible oil in some parts of China, but also promote the development of aquaculture and processing industry. Sunflower oil contains 70% linoleic acid, rich in vitamin E and carotene, and has a low melting point. It can be melted at 17-27 ℃. It does not contain harmful substance (carcinogen) erucic acid. It is a highly valuable health oil and the preferred health oil for international popularity. Cruller after sunflower oil extraction is an animal feed with high nutritional value, which has been widely used in the breeding of livestock and poultry.
4. Watch
The sunflower disk is shaped like the sun, with bright colors, simple and natural, full of vitality. Generally planted in pieces, blooming golden dazzling, extremely spectacular, loved by everyone.
Sunflowers are mainly divided into two categories, edible and ornamental. Sunflower seeds called sunflower seeds, high oil content, for semi-dry oil, fragrant and delicious, for consumption. Flower spikes, seed shells and stems can be used as feed and industrial raw materials, such as rayon and paper pulp, etc., and flower ears can also be used as medicine.
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