Investigation On Weeds In Green Lawn In Qinhuangdao

Qinhuangdao city is a famous tourist city in China.With the continuous development of tourism,the area of green lawn is increasing year by year.The prevention and control of lawn weeds has become a new topic in the urban greening work.In order to fill the blank of research on lawn weed control in Qinhuangdao City,and put forward suggestions for the garden department in the lawn weed control work.In this study,five sample plots were selected in Qinhuangdao City for two years,and the "W" 5-point sampling method was adopted for investigation.Firstly,the occurrence of weeds in different plots of Qinhuangdao was investigated and the species of weeds were counted.Secondly,the occurrence of turf weeds in different types of turfgrass,sandy soil and loam,extensive management and fine management,and different seasons and years were investigated.The survey results show that:1.There are 41 species belonging to 19 families.Compositae weeds accounted for 32% of the total weeds.The second was Cruciferae,accounting for 15%.The dominant species of weeds were Ipomoea tenuifolia,etc.According to the analysis of variance of the dominant species of weeds in each plot,the results showed that there was a significant difference between the two dominant weeds in Yicheng Park,plantain in in Huandao Park and plantain in in Daihe ecological park,and plantain in in Forest Sports Park The most dominant weed species in the West bathing beach is rice sack.2.Through the investigation on the occurrence of weeds on different types of turfgrass,it was found that Plantago was the most dominant weed on carpet grass and bermudagrass,while legume and Compositae were the most dominant weeds on Kentucky bluegrass.There is a common dominant species of weed in sandy soil and loam soil.There are more kinds of weeds in extensive management than in fine management.Based on the above discussion,some new suggestions on the control of lawn weeds in Qinhuangdao City were put forward.