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salvinia biological control


15 Images
0002132
Ted D. Center
USDA Agricultural Research Service

covering a farm pond restricts commercial and recreational use and degrades aesthetics

1929036
Mic Julien
Commonwealth Scientific and Industrial Research Organization

covering a water-body and supporting the growth of other plant species in Kakadu National Park, Australia

0002106
Mic Julien
Commonwealth Scientific and Industrial Research Organization

the hairs form an 'egg-beater' shape at the tips

0002133
Ted D. Center
USDA Agricultural Research Service

hairs are separated by the tips

1929037
Mic Julien
Commonwealth Scientific and Industrial Research Organization

primary form

1929038
Mic Julien
Commonwealth Scientific and Industrial Research Organization

secondary form

1929039
Mic Julien
Commonwealth Scientific and Industrial Research Organization

tertiary form

1929040
Peter Room
The University of Queensland

Lake Moondarra, Australia covered before the use of biological control

1929041
Peter Room
The University of Queensland

Over 90% of salvinia on Lake Moondarra was destroyed within 14 months by the salvinia weevil

1929042
Mic Julien
Commonwealth Scientific and Industrial Research Organization

Werombi creek in temperate Australia, near Sydney, before the use of biological control

1929043
Mic Julien
Commonwealth Scientific and Industrial Research Organization

Werombi creek in temperate Australia, near Sydney, three years after the weevil was released

1929044
Richard Chan
Commonwealth Scientific and Industrial Research Organization

1929045
Richard Chan
Commonwealth Scientific and Industrial Research Organization

1929046
Peter Room
The University of Queensland

1929047
Peter Room
The University of Queensland