Participants at National Training on Weed Management at Kpalimé, Togo (June 2001, TCP/TOG/0065).

National Training course on Weed Management at Kpalimé, Togo. (June 2001, TCP/TOG/0065).

Sweet potato an excellent to smoother several perennial and annual grass weeds.

Cynodon dactylon infestation in reclaimed areas of Egypt .

The weed was brought with introduced manure in the area.

Cyperus rotundus easily breaks polyethylene mulch.

Chromolaena odorata controlled with the release of the insect Paraechetes pseudoinsulata in Kumasi , Ghana .

Field heavily infested by Parthenium hystesophoms, Ethiopia.