Prunus mume not only has bright color and refreshing taste, but also has high nutritional value, and has certain medicinal and health care functions. The fruit contains 7% ~ 17% sugar, 0. 16% ~ 2.29% acid and 0.15% ~/0.5% tannin. Every 100g pulp contains carbohydrate 34g, protein 0.5- 1.9g, fat 0.2-0.8g, calcium 17-64mg, phosphorus 20-75mg, iron 0.5- 1.9mg and iron 0.655. Vitamin b10.0/kloc-0 ~ 0.04 mg, vitamin B2 0.08 mg, riboflavin 0.02 mg, nicotinic acid 0.3 ~10.5 mg, in addition to containing a variety of amino acids needed by human body. Therefore, plum fruit is very beneficial to human health. 80. What is the prospect of planting plum trees? What is the significance of cultivating plum trees in nature reserves?

Plum trees are native to China, with a long cultivation history and strong adaptability. Plum is a delicious summer fruit. Although it is not resistant to storage, the supply period can last for two months from late June to early September because of its variety and maturity. In addition, it has rich nutritional value and has always been an excellent fresh food and processed product. It not only has a good market in the domestic market, but also has a good market in foreign trade export.

The leaves, flowers and fruits of plum trees have ornamental value and have been good tree species for landscaping since ancient times. Plum trees are also excellent nectar plants. The wood of plum tree is tough, shiny and unique, which can be used for carving, making pipes, furniture and daily necessities.

Processed products of plum, such as dried fruit, wine, canned food, jam, preserved fruit, all kinds of preserves, drinks and so on. , selling well in more than 30 countries and regions on five continents, earning a lot of foreign exchange for the country.

China is the origin of plum trees, which are rich in resources. However, for a long time, the production level of plum trees failed to reflect this advantage, and many good resources were not fully utilized. There are still many problems to be further discussed in the fields of plum variety selection, improvement, popularization and storage and transportation of plum fruits. At the same time, giving full play to the advantages of abundant plum resources and long cultivation history in China is also an important foundation and motivation for China's fruit industry to challenge the world's advanced level.

Therefore, the development of plum planting is conducive to improving people's living standards, earning foreign exchange through exports, and developing China's fruit industry, with remarkable economic and social benefits and extremely broad development prospects.

Plum is one of the most popular summer fruits. However, most plums mature in July and August, and the fruits are not storable, so it is difficult to see fresh plums in other seasons. If plum trees are cultivated in protected areas, the fruit maturity can be advanced by 20 ~ 60 days, which can achieve the purpose of regulating the fruit off-season market and increasing farmers' economic income. Protected cultivation of plum trees belongs to highly intensive production. Because it is anti-season production, it turns winter leisure into winter busy, which makes full use of labor resources and improves the economic income of fruit farmers. In the adjustment of agricultural industrial structure, fruit tree facility cultivation will become a new important industry. With the maturity of facility construction and facility fruit tree cultivation technology, plum facility cultivation will become an important part of facility fruit tree cultivation.