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Francis Fougere

The One Ton Challenge

Katy Flanagan

Dyer's Woad

Near McCammon, Bannock County, Idaho, USA

May 20, 2005 - 10:00 MDT

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© 2005 Katy Flanagan, All Rights Reserved.

Caption

This VR panorama was taken in the middle of a blooming Dyer’s Woad infestation in the foothills above the Portneuf River in Bannock County, Idaho. Mountain Visions is producing a web site for the Idaho Weed Awareness Campaign, which will include panoramas of all the listed noxious weeds in Idaho.

This striking yellow plant is native to southeast Russia and is sometimes found as a garden ornamental in the western US. Dyer’s Woad is known as a source of blue dye (indigo) since the 13th century, and it was widely cultivated in England until 1930. Indigotine, the chemical producing the blue dye, is located in the leaves, and produced through fermentation. Dyer’s Woad is a non-palatable, aggressive weed with allelopathic properties (it produces chemicals which inhibit growth in other plants close by.) This species has a history of establishing across thousands of acres of western rangeland, and infestations are known from eight western states.

Since it is listed as a noxious weed in Idaho, Bannock County has started a unique “Bag a Woad” program. Dave Hallinan, Superintendent of Bannock County Weed Control tries to get as many land owners and citizens involved in identifying weeds and find out how serious a problem they are. One of the things Bannock County does to educate the public is to pay $10 for every 40 pounds of Dyer’s Woad that people bring to the landfill.

Last year 300 participants bagged over 95 tons. This year in just 6 days they pulled over 74 tons of Dyer’s Woad. They figured that at an estimate of 10,000 seeds per plant and 40 plants to make 100 pounds of Dyer’s Woad, that approximately 7 billion, 400 million seeds that never hit the ground because of the “Bag a Woad” program this year.
Mountain Visions panoramas from Idaho

Mountain Visions web site

Location

USA-Canada / USA-Idaho

Lat: 42° 38' 0" N
Long: 112° 10' 0" W

Elevation: 4981 feet

→ maps.google.com [EXT]

Precision is: Unknown / Undeclared.

OpenStreetMap: © OpenStreetMap contributors

Equipment

Nikon D100 digital SLR, 17mm 3.5 lens, f11 at 1/320 - Kaidan QuickPan Spherical system. Produced with Realviz Stitcher 4.0.3, Photoshop CS, Cubic Converter 2.1 and Cubic Connector 2.0.6.
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