Figure 1:

Weed growth of B. alata at various types and concentration of extract : (1) C. citratus extract (A. 0%, B. 20%, C. 40%, d. 60%) (2) M. bracteata extract (A. 0%, B. 20%) and (3) mixed extract (C. citratus + M. bracteata) (A.0%, B. 20%).