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    Home > Food News > Food Articles > Let the hanging Suzuki "not flying hair" scientific research

    Let the hanging Suzuki "not flying hair" scientific research

    • Last Update: 2021-01-29
    • Source: Internet
    • Author: User
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    "Twilight spring hair with the wind, pedestrians hurriedly avoid", this scene is no stranger to Wuhan, Hubei Province.
    Every year to the end of April, the beginning of May, Wuhan streets, hanging Suzuki's flying hair spirals down from the air, pollution of the environment does not say, this allergy to people light skin itching, tears, serious also can cause coughing, sneezing, good not trouble.
    recently, Huahua Agricultural University and Wuhan Flower and Wood Co., Ltd. jointly developed the "non-flying hair" of the new species of suspended Suzuki "Hua Nong Lifeng" has been awarded the State Forestry and Prairie Bureau of the new plant varieties certificate.
    " new varieties will greatly alleviate the problem of hanging Suzuki's moths, so that everyone fall in love with this kind of road tree again. Bao Manzhu, head of the project research and development team and a professor at the School of Horticultural Foreculture at Central Agricultural University of China, said.and goose palms, birch, seven-leaf trees, ginkgo and called the world's five major road trees. Because of the largest usage and the widest distribution area, suspended Suzuki is the "first largest" of the five road trees. It not only grows fast, is resistant to pruning and anti-pollution, but also has a strong shade and a particularly prominent shade effect. In addition, suspended Suzuki, which can grow from subtropical to temper zone, has become the "king of the road tree" in a wide range of areas.
    because of the outstanding advantages, suspended Suzuki, as a road tree, is really irreplaceable, " said Mr. Bao. The
    -looking hanging Suzuki has a "disgusting" drawback - falling fruit. The fruit balls of suspended Suzuki are made up of seeds, each with more than a thousand seeds. The moth's hair is actually the crown hair of the hanging Suzuki seed. In the twilight spring season, each aggregate fruit has come off, which makes hanging Suzuki let people "love in the heart difficult to open."
    can I keep the hanging Suzuki from flying hair? To solve this problem, since 1993, Bao Manzhu has been preparing to devote himself to the study of how to keep the hanging Suzuki from flying. In 1994, his first master's student set the choice of topic in the hanging Suzuki.
    , an associate professor at Huahua Agricultural University, is one of the project team members. He said, very honored to be a member of the hanging Suzuki breeding team, so many years to cut the body will be to the hanging Suzuki breeding is not easy, but also understand the scientific research expensive in adhering to the truth.
    28 years of hard work to make Suzuki no longer so "disgusting" goal finally achieved.choice to study hanging Suzuki is a difficult choice. Large-scale research on genetic improvement of trees, long cycle, slow results, without more than 10 years of persistence, there will be no results.
    "s study of genetic modification of hanging Suzuki is like a 'black box', where there are two possibilities, one is success, the other is failure, only completely 'open' to know what the results are. "
    reference, no frame of reference, from "0" to "1".
    Zhang Jiaqi told reporters that The hanging Suzuki has 5 to 8 years of long childhood, its genetic breeding is indeed difficult, especially for its "falling fruit flying hair" nature improvement.
    Bao Manzhu led the team from Henan, Hubei and other provinces and cities field investigation to collect more than 500 suspended Suzuki-specific species resources, including a number of late flowers and fruit fine strains, and in the test bed planting, grafting breeding.
    In 2000, the beaded team took hanging Suzuki seeds as a test material, treated with autumn daffodils, and obtained the fourfold suspension Suzuki at home and abroad for the first time through chromosome double, and cultivated it for more than 20 years. Two of these strains have not yet seen flowering results, and three have exhibited very small amounts of figs.many years of research and practice, Bao Manzhu led the scientific research team has adopted the methods of real selection, multi-breeding, radiation breeding, molecular breeding, etc., to improve its genetic improvement and the cultivation of new varieties.
    Bao Manzhu explained that the real selection is in the extensive investigation of genetic variation in nature, through field investigation and years of continuous observation statistics, collected the hanging Suzuki late flower fruit or fruitless variation strains on the basis of the introduction or insertion or grafting results of large adult plants, early flower plants for testing, and gradually completed the special species of high-contact tests and regional tests, to complete its breeding identification. Wait until late flowers less fruit or fruitless and the nature of stability before declaring the protection of new national varieties.
    leaves beautiful like maple leaves, autumn leaves yellow "Hua Nong Lifeng" is through the real selection of new fruit and late flowers and fruits. In addition, "Hua Nong Ruifeng" "Hua Nong Qingfeng" "Hua Nong Yunlong" and other 3 late flowers and fruit new species are also through this method of breeding and obtained the right of new varieties of the country.
    Zhang Jiaqi explains that hydrogen breeding is the treatment of the seeds of suspended Suzuki, which was originally a double body, through autumn daffodils, to obtain plants with chromosome doubles (four times). Because chromosomal doubleing often leads to chromosomal union disorders, improve the degree of heterosomalization of chromosomal segments, resulting in trait variation. Using the characteristics of induced four-fold suspension Suzuki breeding decline, a new product line of less fruit or fruitless suspended Suzuki was cultivated.
    present, the team used the multi-breeding method to cultivate the "Hua Nong Qinglong" and other three late flowers and fruit new species have also been protected by the new national varieties, can promote planting.
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