Investigation and Analysis on Turf Weeds Species in Tonghua City

By the sample surveys and statistical analysis on the turf weeds in Tonghua City,the results showed that there are 69 species of turf weeds,which are subordinated to 24 families.In which there are 34 species of perennial weeds which are subordinated to 16 families,37 species of one year or biennial weeds which are subordinated to 13 families.Taraxacum mongolicum,Herba Plantaginis,Capsella bursa-pastoris and Trigonotis peduncularis et al are very common.In the end,the preliminary analysis on the occurrence law of turf weeds and the proper methods for killing the weeds are presented respectively.