湘北地区农田野生植物初步研究

Investigation of Wild Plant Resources in Farmland in Northern Hunan

对湘北地区的常德市、益阳市及岳阳市等农田及蔬菜地的不同作物种类田间野生植物资源进行调查研究,并对数据进行整理和统计分析,初步查明了该地区野生植物资源种类分布、种群结构、危害程度和不同类型的危害差异,为综合防除野生植物资源提供科学依据。该地区野生植物资源种类有235种,隶属于70科,其中以菊科、禾本科、蓼科和莎草科及玄参科等科为优势科,以马唐、菵草、牛筋草、空心莲子草和繁缕等为优势种。

Through the investigation and research on the wild plant resources of different crop types in farmland and vegeta ble fields in the eastern suburbs of Wuling District, Changde city, Huarong county, Miluo county, Yiyang suburb and Yueyang suburb,the data were sorted and statistically analyzed. The species distribution,population structure,degree of damage and different types of hazard differences of wild plant resources in the area were clarified, which provided a scientific basis for comprehensive control of wild plant resources. There were 235 species of wild plant resources in the area belonging to 70 families, among which the families of Compositae, Gramineae,Polygonaceae and Cyperaceae and Scrophulariaceae are dominant families, with Digitaria sanguinalis （ L. ） Scopoli, Beckmannia syzigachne （ Steud. ） Fernald, Eleusine indica （L.） Gaertn. and Stellaria media （L.） Vill. were the dominant species.