检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:岳建英[1] 郭春燕[1] 李晋川[1] 卢宁[1] 王翔[1] 李倩冉[1]
出 处:《山西农业科学》2015年第3期305-309,共5页Journal of Shanxi Agricultural Sciences
基 金:山西省自然科学基金项目(2012011033-3)
摘 要:禾本科(Gramineae)是种子植物中最有经济价值的科。报道了汾河中上游地区禾本科植物42属78种(含种下等级7个),其中,含种数最多的属为鹅观草属Roegneria C.Koch.(7种,1变种),其次为早熟禾属Poa L.(6种),含有4种的属为狗尾草属Setaria Beauv.、披碱草属Elymus L.,含有3种的属有芨芨草属Achnatherum Beauv.、马唐属Digitaria Hall.、画眉草属Eragrostis Beauv.、隐子草属Cleistogenes Keng(1变种)、稗属Echinochloa Beauv.(1变种)、针茅属Stipa L.(1变种),含有2种的属有荩草属Arthraxon Beauv.、拂子茅属Calamagrostis Adans.、羊草属Leymus Hochst.、棒头草属Polypogon Desf.、高粱属Sorghum Moench、野青茅属Deyeuxia Clartion(3变种),含有1种的属最多,达25属。Gramineae is one of the most economic value family in the seed plants, This paper reported that there were 42 genera and 78 species (including infraspecies 7) Gramineae plants in the middle and the upper reaches of the Fenhe River. Roegneria C. Koch. contained the most species (7 species, 1 varieties) , followed by Poa L.( 6 species). Setaria Beauv. and Elymus L. contained 4 species. A chnatherum Beauv., Digitaria Hall., Eragrostis Beauv., Cleistogenes Keng ( 1 varieties ), Echinochloa Beauv. ( 1 varieties) and Stipa L. (1 varieties)contained 3 species. Arthraxon Beauv., Calamagrostis Adans., Leymus Hochst., Polypogon Desf., Sorghum Moench and Deyeuxia Clartion(3 varieties)contained 2 species. The genus contained 1 species was the most, 25 genera.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:3.17.156.160