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李培林
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    杜仲长期育种工程重要研究成果

    摘要

    2015年以来,中国林业科学研究院经济林研究开发中心牵头的全国杜仲创新团队在杜仲育种工程方面取得了新的突破和具有良好产业化前景的重要研究成果。收集全国以及日本、美国等杜仲资源1300余份,建立了世界上最大的杜仲基因库;构建了不同用途的杜仲种质资源评价技术体系;建立了由226份优良种质组成的杜仲育种群体,其中果用杜仲育种群体117份,雄花用杜仲育种群体56份,药(皮、材)用杜仲育种群体50份,叶用杜仲育种群体22份;整合表型与分子标记,构建得到一组包含245份材料组成的核心种质;选育出杜仲优良无性系100余个,其中主持选育的‘华仲11号’‘华仲12号’‘华仲13号’‘华仲14号’‘华仲15号’等5个杜仲新品种,2016年获得植物新品种权,这是我国第一批获得植物新品种权的杜仲新品种。华仲11~15号新品种均具有十分特殊的经济性状和良好的产业化开发前景。选育出的‘华仲16号’‘华仲17号’‘华仲18号’等3个杜仲良种,2016年通过河南省林木良种审定。这是近年来我国新一批杜仲高产杜仲橡胶(α-亚麻酸油)良种,具有早实、丰产、果皮含胶率高、种仁粗脂肪中亚麻酸含量高、抗性强等优点,为我国杜仲良种果园示范基地建设提供了优良资源。这些良种的规模化推广,将有效推动我国杜仲良种化进程,促进我国杜仲橡胶和重要木本油料等产业可持续健康发展。

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    Abstract

    Since 2015,the national Eucommia ulmoides (EU)innovation team led by the Non-timber Forest Research and Development Center of Chinese Academy of Forestry,has made new breakthroughs and some important achievements with better industrialization prospects of EU breeding project. More than 1300 EU germplasms were collected from the whole country,Japan,the United States and some other places,and the largest EU germplasm library was established around the world;the EU germplasms evaluation system for different uses was established;and the EU breeding population with a total of 226 excellent germplasms were constructed,including 117 accessions for fruit utilization,56 accessions for male flower utilization,50 accessions for medicine(bark,wood) utilization,22 accessions for leaf utilization;the core collection of EU with 79 germplasms was constructed,which included 33 male core germplasms and 46 female core germplasms;more than 100 excellent clones were selected,five new varieties named ‘Huazhong 11’‘Huazhong 12’‘Huazhong 13’‘Huazhong 14’ and ‘Huazhong 15’ were granted the Plant Variety Rights in 2016,which was the first group obtained the Plant Variety Rights of EU new varieties. Five new varieties all have very special economic traits and better industrialization prospects. ‘Huazhong 16’‘Huazhong 17’and‘Huazhong 18’were certified as Henan improved forest variety in 2016. This is a new batch of EU improved varieties with high EU rubber(linolenic acid) content of our country in recent years,these varieties feature with early fruiting,high yield and strong resistance,also have high rubber content in pericarp and high linolenic acid content of crude fat in seeds,which could provide excellent resources for the construction of orchard demonstration base of EU improved variety. The large-scale popularization of these improved varieties will effectively promote the process of EU improved varieties,and promote the sustainable and healthy development of the EU rubber and important woody oil industries.

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    作者简介
    杜红岩:杜红岩(1963~),男,河南中牟人,博士,研究员,博士生导师。主要从事杜仲育种、栽培与综合利用的研究;杜红岩,中国林业科学研究院经济林研究开发中心(国家林业局杜仲工程技术研究中心),河南郑州,450003。
    乌云塔娜:乌云塔娜,中国林业科学研究院经济林研究开发中心(国家林业局杜仲工程技术研究中心),河南郑州,450003
    李洪果:李洪果,中国林业科学研究院热带林业实验中心,广西凭祥,532600。
    杜庆鑫:杜庆鑫,中国林业科学研究院经济林研究开发中心(国家林业局杜仲工程技术研究中心),河南郑州,450003。
    王璐:王璐,中国林业科学研究院经济林研究开发中心(国家林业局杜仲工程技术研究中心),河南郑州,450003。
    刘攀峰:刘攀峰,中国林业科学研究院经济林研究开发中心(国家林业局杜仲工程技术研究中心),河南郑州,450003。
    庆军:庆军,中国林业科学研究院经济林研究开发中心(国家林业局杜仲工程技术研究中心),河南郑州,450003。
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