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    Home > Food News > Food Articles > The study found the genetic loci that control the weeping traits of peach trees

    The study found the genetic loci that control the weeping traits of peach trees

    • Last Update: 2023-01-06
    • Source: Internet
    • Author: User
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    Recently, the innovation team of stone fruit cultivation physiology at the Zhengzhou Institute of Pomology, Chinese Academy of Agricultural Sciences, discovered the genetic loci
    that control the weeping traits of peach trees.
    The findings were published in BMC Plant Biology
    Peach trees have a large annual growth and are prone to the formation of crown closure, and need to be pruned
    a lot every year.
    Excellent tree shape can promote fruit quality formation and save manpower and material resources
    Weeping peach trees have a large opening angle, which is conducive to ventilation and light transmission inside the canopy, but at present, weeping peach trees are mostly found in ornamental peaches
    The study of the mechanism of the formation of weeping traits of peach trees is conducive to the cultivation of new varieties that are both ornamental and edible, and lays a foundation
    for the standardized and labor-saving cultivation management of peach trees.
    The scientific research team used "97 dwarf" and "mandarin duck weeping branch" as the test materials, and clarified the genetic law
    of peach tree weeping branch traits by constructing a hybrid population.
    By using the mixed pool sequencing method of isolated population, the genes controlling the weeping traits of peach trees were located and finely located, and finally the target gene was narrowed to a physical distance of 150,000 base pairs, and a molecular marker
    completely linked to the target trait was developed.
    At the same time, the annual branches of ordinary and weeping peach trees were sliced and observed, and obvious differences in secondary xylem were found, which laid a foundation
    for further study of the regulation mechanism of weeping traits of peach trees.
    The research was supported
    by the National Key Research and Development Program of China, the National Natural Science Foundation of China, the Key Science and Technology Research Project of Henan Province, and the Science and Technology Innovation Project of the Chinese Academy of Agricultural Sciences.
    (Correspondent Zhao Qian)
    Original link: https://bmcplantbiol.
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