浓H_(2)SO_(4)处理对刺果甘草种子萌发和幼苗生长的影响  

Effects of Concentrated H_(2)SO_(4) Treatment on Seed Germination and Seedling Growth of Glycyrrhiza pallidiflora

作　　者：刘杰淋[1] 王建丽[1] 孔晓蕾[1] 康欣彤[1] 张强[1] Liu Jielin;Wang Jianli;Kong Xiaolei;Kang Xintong;Zhang Qiang(Prataculture Research Institute,Heilongjiang Academy of Agricultural Sciences,Harbin 150086,China)

机构地区：[1]黑龙江省农业科学院草业研究所,黑龙江哈尔滨150086

出　　处：《草学》2021年第6期66-70,共5页Journal of Grassland and Forage Science

基　　金：中央财政林业科技推广示范项目:黑〔2020〕TG07号黑龙江省农业科学院科研课题:2020JCQN002、2020FJZX025、2020YYYF008共同资助。

摘　　要：为研究破除刺果甘草(Glycyrrhiza pallidiflora Maxim.)种子休眠的方法,观测采用浓硫酸处理后0~96h播种的变化,分析4个种子发芽指标及幼苗生长的6个指标,探究浓硫酸对破除刺果甘草种子休眠的影响。结果表明:通过浓硫酸处理后刺果甘草24h、48h后播种有利于刺果甘草种子发芽生长,发芽率96.66%、发芽势97%,在幼苗生长中,处理T2(24h)的地上、地下鲜重优于其他处理。因此,从综合性状分析,刺果甘草在浓硫酸处理后24h播种最佳。In order to study the method of breaking seed dormancy of Glycyrrhiza pallidiflora Maxim.treated with concentrated sulfuric acid for 0~96h,four germination indexes and six growth indexes of seedlings were determined and analyzed,to explore the effect of concentrated sulfuric acid on breaking seed dormancy of Glycyrrhiza uralensis Fisch.And to provide theoretical basis for artificial propagation of Glycyrrhiza uralensis Fisch.The results showed that the seeds of Glycyrrhiza uralensis Fisch.Treated with concentrated sulfuric acid for 24h and 48h were propitious to germination and growth,the germination rate was 96.66%and the germination potential was 97%,the fresh weight of T2(24h)above ground and under ground was better than that of other treatments.Therefore,from the comprehensive analysis,concentrated sulfuric acid treatment after 24h of Glycyrrhiza uralensis Fisch sowing is the best time.

关 键 词：刺果甘草 浓硫酸 种子萌发 幼苗生长 

分 类 号：S54.041[农业科学—作物学]