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mile-a-minute weed biological control


8 Images
0002109
Yun Wu
USDA Forest Service

covering a power line right-of-way

0002110
Yun Wu
USDA Forest Service

Current distribution by county in the eastern United States: Red-before 1995 (Mountain, 1995); green- after 1995

0002111
Yun Wu
USDA Forest Service

0002112
Jian-qing Ding
Cornell University

The distribution of mile-a-minute weed and natural enemy survey areas by province in China: Checked areas-surveyed areas; striped areas- areas with mile-a-minute weed, not yet surveyed

0002113
Jian-qing Ding
Cornell University

0002114
Jian-qing Ding
Cornell University

0002115
Yun Wu
USDA Forest Service

toothpick-insertion-test for pathogenicity of fungus

0002116
Jian-qing Ding
Cornell University

and its damage on a stem