南昌城市绿地夏季杂草发生特点及防除对策

Occurrence Regularity and Control Countermeasures of Summer Weeds on the Urban Green Land in Nanchang

采用普查与定点取样相结合的方法,对南昌城市绿地夏季杂草的发生规律与危害特点进行调查与分析。结果表明:南昌城市绿地夏季有杂草123种,隶属于37科,其中,以阔叶杂草为主,占79.67%;禾本科杂草其次,占16.26%;莎草科杂草较少,仅占4.07%;杂草种群结构复杂。并对不同除草方法进行比较分析,提出相应的防除建议。

The occurrence regularity and damage of weeds during summer on the urban green land in Nanchang were analyzed by the combination method of fixed point sampling survey and general investigation.The results showed that a total of 123 weed species be-longed to 37 families were discovered.The broad leaf type species were the representative species which accounted for 79.67% of the total, and the species of gramineae accounted for 16.26%while cyperaceae just accounted for 4.07%;the community structare was complex.The control strategies were proposed according to comparison of various wedding control methods.