"Picking persimmons", which we and people on earth often say, refers to the problem of picking persimmons to remove astringency during the harvest season.

"Picking persimmons", which we and people on earth often say, refers to picking persimmons in the autumn harvest season to remove the astringency of persimmons.

Persimmon introduction:

Persimmon. ) is a persimmon tree. Its leaves are oval or nearly round, the new leaves are sparse and hairy, the top of the old leaves are dark green and shiny, and the bottom is green and hairy or hairless;

Flowers are bisexual, rare male plants have fewer female flowers, and female plants have fewer male flowers; There are many shapes of fruits, some are spherical and some are oblate. The flesh is crisp and hard, and becomes soft and juicy when it matures, orange-red or big red. Persimmons bloom from May to June, and the fruits are 9-65438+ 10.

Persimmon originated in the Yangtze River valley in China, and is now cultivated in many provinces and regions, as well as in Korea, Japan, France, the Soviet Union, the United States and other countries. Persimmons like warm climate, abundant sunshine and deep, fertile, moist and well-drained soil. The soil is moderate, cold-resistant, barren and drought-resistant, but not salt-tolerant. The propagation of persimmon mainly adopts grafting method; Persimmons or wild persimmons are usually cultivated as rootstocks.

Persimmon originated in China, and there are wild and semi-wild persimmon trees in the forests of Zhejiang, Jiangsu, Hunan, Hubei, Sichuan, Yunnan, Guizhou, Guangdong, Fujian and other provinces. Cenozoic persimmon leaf fossils were found in Shanwang, Linqu County, Shandong Province, which are characterized by small lateral vein fork angle, similar to the leaves at the base of fruit branches of modern cultivated variety "Qingxuan persimmon".

As early as 2.5 million years ago, there were persimmon trees in China. Referring to the cultivation of persimmon trees found in Japan and South Korea, it is inferred that persimmon originated in the Yellow River basin, but after the ice age, the cultivated species originated in the Yangtze River basin for unknown reasons.

Persimmon was first seen in the Book of Rites, and it was recorded in Compendium of Materia Medica and Rejuvenation of Materia Medica that it can enter the three meridians of heart, lung and intestine. It is a traditional Chinese medicinal material for both medicine and food.

Persimmon can clear away heat and toxic materials, moisten lung and relieve cough, reduce swelling and soften hardness, strengthen spleen and replenish qi, nourish stomach, harmonize middle energizer and astringe intestine to stop bleeding. In terms of greening, persimmon trees have a life span of more than 300 years, and their leaves are shaded. In late autumn and early winter, the frost leaves turn red. In winter, after the leaves fall, persimmons still remain dark red, with a red fruit, adding beautiful scenery. It is an excellent landscape tree.