Investigation on main weed species in Jintan tea garden in Jiangsu province.

Based on the investigations from 2009 to 2011,we found 180 weed species in Jintan tea garden in Jiangsu province,which belonged to 48 families.Among them,the weed species in Asteraceae and Gramineae were the most,occupying 33.33% of the total species;there were annual weed 74 species,perennial weed 67 species,annual or over-year weed 33 species and biennial weed 6 species.The main community,dominant species and occurrence features of weeds in Jintan tea garden were identified in this paper.