Logo317bioeco.GIF (12035 bytes)

The Life Cycle of Weeds

MenuCycle.JPG (5161 bytes)

lifecycle.GIF (3452 bytes)

Key: I, soil seed bank; II, seedling recruitment; III, competition & seed production; IV, dispersal


Diagram of the Annual Weed Life Cycle
The schematic diagram above represents the life cycle of an annual weed.  At the most basic level, the life cycle of an annual weed can be broken down into two important phases:

MenuCycle.JPG (5161 bytes)

Time scales of studing weed ecology and biology:

-annual cycles

-plant life cycles

-evolutionary time


MenuBioEco.JPG (10674 bytes)
MenuBar2.JPG (10992 bytes)
Home.JPG (6107 bytes)