连翘属种质资源抗寒性评价  

Evaluation of Cold Resistance of Forsythia Germplasm Resources

作　　者：徐洋 赵峥畑 吴雨桐 申建双[1] 张启翔[1] 程堂仁[1] 王佳[1] 潘会堂[1] 杨晓辉 Xu Yang;Zhao Zhengtian;Wu Yutong;Shen Jianshuang;Zhang Qixiang;Cheng Tangren;Wang Jia;Pan Huitang;Yang Xiaohui(Beijing Forestry University,Beijing 100083,P.R.China;Huangtuliangzi Town People’s Government of Pingquan City,Chengde City,Hebei Province)

机构地区：[1]北京林业大学,北京100083 [2]河北省平泉市黄土梁子镇人民政府

出　　处：《东北林业大学学报》2023年第6期33-39,共7页Journal of Northeast Forestry University

基　　金：北京市科技计划项目(Z181100002418006);北京林业大学建设世界一流学科和特色发展引导专项资金项目(2019XKJS0323)。

摘　　要：为评价连翘属(Forsythia)植物资源的抗寒性,筛选抗寒种质,以10个连翘属种和品种为材料,测定了露地越冬期间1年生枝条的相对电导率、可溶性糖质量分数、可溶性蛋白质量分数、超氧化物歧化酶(SOD)活性、过氧化物酶(POD)活性的变化和越冬期间枝条水培萌发的情况,越冬后调查了植物的田间表现。利用隶属函数法对10种连翘抗寒性综合评价排序由强到弱为:东北连翘、‘Courtaneur’、‘Courtasol’、朝鲜连翘、‘Kumsum’、连翘、‘Spectabilis’、‘Goldrausch’、‘Lynwood’、‘Courtalyn’。越冬后10种连翘的田间表现和上述排序结果基本相符合。In order to evaluate the cold resistance of Forsythia germplasm resources and screen cold-resistant Forsythia,ten Forsythia species and cultivars were used to test the changes in the relative conductivity,soluble sugar content,soluble protein content,SOD activities and POD activities in annual shoots during overwintering period,as well as the germination of annual shoots,and the field performance of plants was investigated after overwintering.Using the membership function method to comprehensively evaluate the cold resistance of 10 species of Forsythia,the ranking from strorg to weak is as follows:F.mandschurica,‘Courtaneur’,‘Courtasol’,F.koreana,‘Kumsum’,F.suspensa,‘Spectabilis’,‘Goldrausch’,‘Lynwood’and‘Courtalyn’.The field performance of ten species of Forsythia after overwintering was basically consistent with the above ranking results.The results would be used for screening cold-resistant breeding parents and the application of Forsythia in cold area.

关 键 词：连翘属 抗寒性 隶属函数 田间表现 综合评价 

分 类 号：S685.24[农业科学—观赏园艺]