长期以来茶园恶性杂草——香附子、黄茅草、苦艾、马圹草、辣蓼等在我市茶园大量蔓延,严重危害茶树生长发育,影响茶叶的产量、质量的提高。过去采用人工除草劳动强度大,而且花费大量管理成本,尤其在温暖湿润的雨季,杂草繁殖更为迅速,与茶树争夺肥、水、光外,还成为若干病虫的中间寄主,对茶树为害特别严重。因此控制茶园一年生及多年生一般性杂草和禾本科、莎草科及阔叶草类的繁殖,是茶园当前急需解决的一项课题。 For a long time, tea plantation vicious weeds - Cyperus rotundus, yellow thatch grass, absinthe, stirrup, Polygonum, etc. in our city a large number of tea plantations, seriously jeopardizing the growth of tea trees, affecting the yield and quality of tea. In the past, labor intensity of using artificial weeding was large, and a large amount of management cost was spent. In particular, the weeds reproduce more rapidly in the warmer and wet rainy season, competing with tea trees for fertilizer, water and light, becoming intermediate hosts for several pests and diseases, Particularly serious. Therefore, the control of annual and perennial tea plantations weeds and grasses, Cyperaceae and broad-leaved grass breeding, tea garden is currently an urgent need to solve a problem.