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Ag in Action 2017

MOORE FARMERS OIL COMPANY

• Fuels and Lubricants

• Ferilizer

• Crop Protection Chemicals

• Livestock Supplies

• Tires

Moore, MT

Main Office: 374-2555 or 800-926-7689

Ferilizer Plant: 374-2333

Proudly Serving Central Montana Agriculture since 1930

Stop in and

see our new store!

23

Wheatland County’s weed story

(continued)

Cattle then took over as the livestock of choice, and

landowners took note of the plant that was tough to eliminate.

Treatment of the plant was done for years with 2-4-D, which

was good for burning down the plant but not eliminating it.

Treatment eventually switched to Tordon at two quarts per

acre. Tordon beads were spread while on horseback; this

practice was later eliminated.

Nowwe are in the integrated weedmanagement time frame

of just this one weed. We are heavy on the herbicide approach;

we also have two successfully introduced insects to slow

the growth of leafy spurge (

Aphthona lacertosa

and

Oberea

erythrocephaia

). These insects are collected by other counties.

We are glad to share the wealth of these insects.

Target grazing has been used for leafy spurge control and

slows the spread of this plant. We do have a very aggressive

weed control program. People are working together, yet we

have a long way to go.

We have a full slate of insects for bio-control for leafy

spurge. We have tried spotted knapweed beetles, and see them

on occasion, but we can see success with chemical control at a

more rapid rate. The seedheadfly is throughout the state, which

should help control seeds in the head of spotted knapweed.

We are very worried about Dalmatian toadflax and have

tried beetles; however our concentration of the toadflax plant

is quite sparse, so success from the beetle seems marginal. We

do have individuals lined up for bio agents for the control of

hound’s tongue. We have used goats (target grazing) for leafy

spurge control; however rules for the care of migrant workers

seem to limit this method of weed control.

From the standpoint of noxious weed control in our

area, we are concerned about maintaining the similarity of

our rangeland. As a result of high similarity index, this will

increase the carrying capacity of our rangeland, which would

be beneficial to livestock, wildlife and water conservation.

Noxious weeds were not found on our pristine rangeland,

therefore if present, a lower index would be recorded, which

would be detrimental to communities and individuals in the

community.

Weeds controlled on the 22 landowner, 209,160 acres of

rangeland project include: Hoary alyssum 2B, knotweed

complex 1B, white top 2B, Dalmatian toadflax 2B, leafy spurge

2B, yellow toadflax 2B, hound’s-tongue 2B, Russian knapweed

2B and spotted knapweed 2B.