Robinia pseudoacacia
Call it a tree, it blossoms every year, call it a flower, look like a tree no matter how it looks. This is called Robinia pseudoacacia, also known as rich tree, is a precious tall tree species successfully introduced from abroad. Every year in May, when the spring is getting stronger, Robinia pseudoacacia will bloom beautiful flowers. Unlike other trees, Robinia pseudoacacia can blossom twice a year, each time for up to a month, so it is a good tree species for greening. You don't believe me? First look at the shape of the tree, with an open crown, a straight trunk, and a rich woody demeanor; and then look at the leaves, which are not long or short, smooth and beautiful, not to mention the flowers, which are charming in color, fragrant and elegant. Enjoy the flowers when the flowers are in bloom and the leaves when the flowers fall. No wonder our Olympic Games choose Robinia pseudoacacia to beautify the relevant sections of the field. Can you say that it is not precious?
Manager: Poplar and willow trees have been promoted for 100 years, and it can be seen everywhere. Robinia pseudoacacia has been introduced for several years and has not been planted on a large scale through domestication, so the market prospect of greening and beautification is particularly broad, not to mention that it has many other uses. By the way, Robinia pseudoacacia is not a silver-like wax gun, it is of great use. Grower 2: this tree is covered with treasures. The leaves can be used as fodder, and the trunk can be made into paper and pulp.
After growing for a year, Robinia pseudoacacia is qualified to enter the paper mill. Because it has a very high fiber content, even higher than the fast-growing poplar with a growth period of 3 years. Therefore, in papermaking, fragrant locust has an advantage over fast-growing poplar. Robinia pseudoacacia has the advantages of straight trunk, compact wood structure, hard material and toughness, which is most suitable for timber forest. in addition, because of its prosperous growth, developed root system and strong wind resistance, it also has obvious advantages in growing in arid mountainous areas. it can achieve the afforestation effect of "planting 100 Robinia pseudoacacia per mu and replanting one slope in three years". Perhaps some peasant friends will ask, can we wait on this foreign tree species introduced from abroad? don't worry. After the domestication and cultivation of scientific and technological personnel, fragrant locust has already had a "Chinese heart." Manager: Robinia pseudoacacia is a tree species with strong resistance and adaptability. it not only adapts to the relatively barren sandy land and desert, but also to the alkaline soil environment along our coast, but also to the red soil environment in the south. So Robinia pseudoacacia has strong resistance, barren resistance, drought resistance and cold tolerance.
Finally, I have to remind you that the root system of Robinia pseudoacacia is very similar to that of ordinary Robinia pseudoacacia. If you are a little careless in introduction, you will make the mistake of taking the root of Robinia pseudoacacia as the root of Robinia pseudoacacia.
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Cultivation and Management of Robinia pseudoacacia
First, the method of propagation is easy to reproduce, burying roots, cutting, grafting, or digging roots to propagate. The main and lateral roots of 1-year-old and 2-year-old Sophora japonica were selected for root-burying propagation, and the suitable diameter was 0.3-1.5 cm. 1012kg per mu of roots are needed, and 300kg / kg of roots can be cut 400 segments. Two methods of transplanting seedlings in greenhouse and burying roots in field can be selected. The indoor seedling was raised in different areas and the seedling raising time was different, so it was transplanted into the field in the middle of May. Burying roots in the field will be carried out when the lowest outdoor temperature is more than 10 ℃.
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Tetraploid Robinia pseudoacacia
Tetraploid Robinia pseudoacacia is one of the excellent clones of polyploid Robinia pseudoacacia introduced from abroad, which has been selected by painstaking research and experiment for many years. Tetraploid Robinia pseudoacacia is an artificially induced tetraploid plant with fast growth, large leaves and large biomass. Its leaf width is more than 2 times that of common Robinia pseudoacacia. Compound leaf dry weight, single leaf dry weight and total leaf dry weight are 1.5 times or more than that of common Robinia pseudoacacia. Compared with common Robinia pseudoacacia, tetraploid Robinia pseudoacacia has thicker crown, stronger branches and stronger photosynthetic capacity. Quadruple
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