Weeds in Sugarcane

They are monocotyledons that have narrow ribbed leaves tapering to a point at the ends. They reproduce mostly with seeds but many species spread with roots or stems. They are divided into 2 types.

1.1 Grasses: They belong to Gramineae or Poaceae family. Its stem is cylindrical and interrupted at intervals by node and internode. They grow and spread from nodes and rhizomes underground. Examples are cogon grass, para grass, crowfoot grass, swollen finger grass, etc.

1.2 Sedge: They are in Cyperaceae family and can be differentiated from grasses by its stem which has no nodes or internodes. The distinguishing characteristic of the sedge is its three-angled or triangular cross-section of the stem. Examples are bulrush, umbrella sedge, nut grass, etc.