Echinochloa oryzicola (weed)
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Echinochloa oryzicola (click on image to enlarge it)
Author(s): Joseph M. DiTomaso, University of California - Davis
Source: IPM Images
Author(s): Joseph M. DiTomaso, University of California - Davis
Source: IPM Images
Echinochloa oryzicola (weed) (Vasinger) Vasinger - (late watergrass)
Echinochloa oryzicola stem (click on image to enlarge it)
Author(s): Joseph M. DiTomaso, University of California - Davis
Source: IPM Images
Author(s): Joseph M. DiTomaso, University of California - Davis
Source: IPM Images
The grass is an important weed of rice, e.g. in California where yields can be reduced by up to 50% if unmanaged. It is well adapted to rice fields and can germinate under water in a low oxygen environment. The weed is difficult to control with herbicides and several populations have developed simultaneous resistance to most available grass herbicides available for rice.
