The cultivation of "hairless Indus" by Huanong University is expected to solve the problem of flying catkins of Indus.
It is learned from Huanong University that the school has cultivated hairless sycamore trees, which is expected to solve the problem of flying catkins pollution.
French sycamore scientific name "Suzuki", with fast growth, crown, shade and other advantages, is known as "one of the five street trees in the world". From April to June every year, the cones of Platanus acerifolia are scattered and the crown is flying, which not only pollutes the environment, but also affects people's health. For this kind of flying hair pollution, chemical pruning is mostly used in China, that is, spraying chemicals to promote the early shedding of cones. However, this method is labor-consuming and time-consuming and is not easy to be popularized in a large area. Since 1994, Professor Manzhu and others in the university have made genetic improvement of Platanus orientalis by using plant genetic engineering technology, and bred transgenic plants by introducing sterile genes and flowering regulation genes, so as to solve the problem of flying hair pollution.
Bao Manzhu said that these plants will have to grow for five or six years before their hairless and fruitless final effect can be observed.
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Stinky sycamore that can tolerate salt and alkali
Changshan, Haizhou, alias smelly sycamore, paulownia, etc., is a garden plant of the genus Verbenaceae. Originated in East China, Central China to Northeast China, Beijing, Tianjin, Hebei, Shaanxi, North China, Yanqing Horticultural Center has been introduced. Most of them were born on hillsides, roadsides, streams and villages. Deciduous shrubs or small trees, twigs brown pubescent, leaves opposite, leaves ovoid, 5-16cm long, apex acuminate, base much truncate, entire or undulate-toothed, both surfaces subglabrous, petiole 2-8cm, corymbose Cymes inserted apically or between axils, fuchsia 5-lobed to base.
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The difference between French sycamore, paulownia and sycamore
Sycamore is a deciduous tree of sycamore family, and it is not related to paulownia (Euphorbiaceae), paulownia of Scrophulariaceae and sycamore (Platycladaceae). The sycamore tree is tall and burly, with a jointless trunk, rising upward, holding a huge emerald-like green umbrella, holding high momentum. The bark is smooth and green, the leaves are thick, from the branch to the branch, a lush, elegant and clean, no wonder people call it "Qingtong". "A green jade stand, a thousand leaves green cloud committee", these two poems, write the Chinese parasol's green leaves and dry, Tongyin whirling scenery
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