Where most of the metasequoia trees grow

Metasequoia. The origin is in Dafeng, Jiangsu, and a search for Dafeng Forestry Base can find more resources in the adjacent areas of Lichuan County in Hubei Province, Shizhu County in Sichuan Province and Longshan County in Hunan Province, which are concentrated around Xiaohe Town in the west of Lichuan County, with a radius of only 600 square kilometers. At present, the cultivation range has been expanded to Beijing, southern Liaoning, Guangdong, Guangxi, and Yunnan-Guizhou Plateau in the south.

It is bordered by the East China Sea, the coast of the Yellow Sea and Taiwan in the east, and the vast area of the Sichuan Basin in the west, and has become an important afforestation tree species in the middle and lower reaches of the Yangtze River plain. At the same time, it has been introduced to more than 50 countries and regions in Asia, Africa, Europe and the United States. At present, the world's largest metasequoia forest is in Qianjiang City, Hubei Province.

Hunan Yixi Flower Garden Co., Ltd. has metasequoia trees for sale, Hunan Yixi Flower Garden Co., Ltd. is a collection of seedling breeding, planting and sales as one of the professional greening enterprises, located in the outstanding people, the folk customs of the simple Hunan Yiyang Datong Lake, Nanxian County to hilly landforms, forestry resources are very rich, Nanxian seedlings are also one of the pillar industries of Hunan Yiyang. Through years of development, the current cultivated seedling species are: metasequoia, pond fir, lupus fir, Zhongshan fir, willow, poplar, weeping willow and other green seedlings.

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The reason is that Metasequoia has knee-shaped respiratory roots that can grow on the surface of the water, or breathe in terrestrial soil, and Metasequoia is resistant to water moistureSo it can also grow in water, and only the cedar tree of the metasequoia variety can be planted in water. It grows next to humid hillsides, rivers or ravines with a mild climate, rainy summer and autumn. This light-loving tree grows in a well-ventilated and well-lit environment, and it is very adaptable to the environment, both in soil and in shallow water, but water is not the best environment for its growth.

Metasequoia's growth rate.

The rapid growth is one of the main advantages of metasequoia. In the area of origin, the highest peak of tree height growth occurs in 10 15 years, and it can generally be maintained at about 60 80 cm before 50 years. DBH growth is faster after 20 years, generally remaining at about centimeters, the highest peak of continuous growth occurs in 20 25 years, and tends to slow down after 80 100 years.

The age at which the seed begins to bear fruit is late, although the female can appear in the early stage, but the male flower does not form normally until 20 years later, and the large number of fruit sets in 40 60 years, and it does not decay until 100 years, and can still produce high-quality seeds. 2 March flowering, 10 November moon cones ripe. 1,000 seeds weigh grams, about 43,560,000 seeds per kilogram; The germination rate is very low, and the germination rate is only 5-10%.

Characteristics of metasequoia trees: tall and straight, adaptable, light-loving, moisture-loving, low-temperature tolerant, etc.

1. Tall and straight

The metasequoia tree, also known as the water tree, is a tall deciduous tree with a swollen trunk base and tall branches, which looks like a soldier standing neatly from a distance, and can reach a height of about 35 meters.

2. Strong adaptability

3. Like light

Metasequoia tree is a light-loving tree species, it is light-loving, and the requirements for sunlight are relatively high. Especially during the period of vigorous growth, it is necessary to ensure a certain amount of sunshine every day.

4. Like moisture

Metasequoia likes moisture, and its waterlogging resistance is relatively good, generally distributed in humid or waterlogged places, such as warm climate, rainy and humid mountain slopes, rivers or valleys and other places, maintenance needs to provide sufficient water, long-term drought is extremely unfavorable to its growth.

5. Low temperature resistance

Metasequoia trees can overwinter in the wild and can tolerate temperatures as low as -37-47.

The role of the metasequoia tree

Metasequoia trees are one of the famous garden tree species, and in addition to their ornamental value, they can also be used as materials for furniture, construction, shipbuilding, etc., and because of their high cellulose content, they can be used as raw materials for making paper.

1. Metasequoia leaves resemble bird feathers. Metasequoia belongs to the gymnosperm fir family. Deciduous tree, twigs opposite, drooping. The leaves are linear, alternately opposite, pseudo-two rows into pinnate compound leaves, long centimeters, with 4-8 stomatal lines on both sides below, monoecious.

2. Metasequoia sapwood is white, heartwood is brownish-red, the material is light and soft, the texture is straight, the structure is slightly coarse, the hardness of the wood is different from morning and evening, and it is not resistant to moisture. It can be used for construction, sheet, papermaking, utensils, modelling and interior decoration.

3. It is distributed in the local areas of Lichuan, Shizhu and Longshan counties at the junction of Hubei, Chongqing and Hunan provinces, and the vertical distribution is generally 750 1500 meters above sea level.

Metasequoia leaves resemble bird feathers.

Metasequoia (scientific name: Metasequoia glyptostroboides hu & w.). c.

cheng): gymnosperm fir family. Deciduous tree, twigs opposite, drooping.

The leaves are linear, alternately opposite, pseudo-two rows into pinnate compound leaves, cm long, with 4-8 stomatal lines on both sides below. Monoecious. cones drooping, nearly spherical, slightly 4-edged, centimeter long, with long stalks; Seed scales woody, shield-shaped, each scale with 5 9 seeds, seeds flattened, with narrow wings around it.

In 1941, Chinese botanists first discovered this famous ancient and rare relict tree species in Modaoxi (now known as Modaoxi) in Wanxian County, Sichuan Province (now Wanzhou District, Chongqing). According to recent surveys, giant trees of more than 300 years old have been found in Wanzhou in Chongqing, Shizhu County in Chongqing, Lichuan in Hubei Province and Longshan and Sangzhi in Hunan.

Metasequoia is highly adaptable, likes moisture and grows quickly, and is cultivated in all parts of Beijing. The material is light and soft, which can be used for construction, sheet, papermaking, etc.; The tree is a beautiful ornamental tree in the garden.

Metasequoia leaves resemble bird feathers, so the introduction of leaves is like this:

The leaves are linear, alternately opposite, and the false two columns are pinnate compound leaves, and this kind of leaf of the plant is called pinnate leaves.

The leaves of the metasequoia tree are slender like fish bones and are verdant.

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Metasequoia, an ancient and rare precious tree species, is a special product of China, which is only distributed in Shizhu County, Sichuan Province, Lichuan County, Hubei Province, Modaoxi, Metasequoia Dam area, Longshan and Sangzhi in northwest Hunan Province, with an altitude of 750-1500 meters, mild climate, rainy summer and autumn, and acidic yellow soil areas.

It is cultivated on both sides of rivers, moist slopes and ravines, and there are also a few wild trees, which are often mixed with Chinese fir, chestnut, cone chestnut, sweetgum, sumac, lampstand, poplar, and Ichuan Runnan.

It is introduced and cultivated in about 50 countries and regions abroad, and the sapwood is white and the heartwood is maroon-red, which is an excellent timber species. The tree is beautiful and is famous for its garden tree. The base of the trunk is often enlarged; The bark is gray, grayish-brown or dark gray, the young trees are split into thin slices and fall off, and the large trees are split into long strips and fall off, and the inner bark is pale purple-brown.

Metasequoia is a large deciduous tree.

Metasequoia is a deciduous tree, its place of origin is China, it has a very long history, is one of the plants left over from ancient times, has the reputation of "living fossil", so the state attaches great importance to the protection of metasequoia.

Metasequoia likes a sunny growing environment and can also tolerate cold weather, whether it is a high temperature of 40 degrees Celsius or a low temperature of minus 30 degrees Celsius, it cannot defeat it, but its only drawback is that it is not shade tolerant and drought tolerant, and once it grows in a dark and dry place for a long time, it will affect the growth of trees.

It has a very long adaptability and can survive when it is basically planted on the ground, but if there are conditions, it can be planted in deep and fertile acidic soil, which can help it grow better; It is also very water-based, even if it grows in shallow water for a long time.

Metasequoia pruning

1. Bed seedling pruning: Metasequoia metasequoia cuttings propagation seedlings are generally dense, mainly high growth. Take care to keep the plant straight and generally not pruned.

2. Cultivating large seedlings shaping: in the process of seedling cultivation, it is necessary to keep the height under the branches year by year, depending on the growth potential of the seedlings and the balance of the overall growth every afternoon, and prune the lowest branches 1-2 times a year until there is a suitable height under the branches. It is also necessary to timely groom overly dense branches, diseased branches, overlapping branches, inner branches and branches that disturb the shape of the tree.

3. Transplantation and pruning: When transplanting or leaving the nursery, the formed seedlings should be transplanted or pruned. Generally, thinning and stubbing methods are used.

Prune diseased branches, overlapping branches, inner branches, and branches that disturb the shape of the tree. Seedlings with a diameter at breast height of less than 3cm can not be without soil balls, and attention should be paid to protecting the integrity of the root disc when transplanting bare roots. The amount of trim can be increased appropriately, but the top tip must be protected.