Herbicide Application Timing Critical to Control Exotic Hawkweeds

Herbicide Application Timing Critical to Control Exotic Hawkweeds

This article summarizes field studies established on meadow hawkweed at two sites near Santa, Idaho by Dr. Tim Prather, University of Idaho. Selective herbicides such as Milestone® herbicide have shown to control hawkweeds and release grasses and desirable native forbs. Strategically timed herbicide applications can improve hawkweed control and promote establishment and maintenance of grass cover.


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Optimal Herbicide Application Timing for Canada Thistle Control

Optimal Herbicide Application Timing for Canada Thistle Control

by Darrell Deneke, Mike Moechnig, Dave Vos, and Jill Alms, South Dakota State University, Brookings.

Read about field studies conducted on Canada thistle in eastern South Dakota on effect of selective herbicides applied in September, October or November.

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Managing Tall Buttercup in Pastures and Natural Areas

Managing Tall Buttercup in Pastures and Natural Areas

Tall buttercup is an introduced perennial forb that is widespread throughout much of North America. It is invasive on irrigated and sub-irrigated pastures, meadows, stream banks, roadsides, and ditches. Integrating various management techniques—prevention along with herbicides, mechanical, manual, biological, and cultural methods—will optimize control of tall buttercup.

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Identification and Management of Absinth Wormwood

Identification and Management of Absinth Wormwood

Absinth wormwood (Artemisia absinthium L.) is a perennial broadleaf plant introduced as an ornamental into North America from Europe in 1841. The plant escaped cultivation and is now widely distributed in the U.S. and Canada. This article describes the biology, ecology, identification, and management of absinth wormwood in natural areas.

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Native Grass Establishment Following Herbicide Applications

Native Grass Establishment Following Herbicide Applications

Herbicides are an important tool for removing noxious or invasive weeds from plant communities, allowing desirable vegetation to respond. Field research trials were established to determine if warm and cool season grasses could be planted either in late autumn as a dormant fall planting or in the spring after a September application of herbicide.

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Identification and Management of Japanese Chaff Flower

Identification and Management of Japanese Chaff Flower

Japanese chaff flower (Achyranthes japonica) is a highly invasive, non-native, perennial plant in the Amaranth family. This article discusses distribution and management of this non-native plant.

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Control of Yellow Starthistle (Centaurea solstitialis) and Coast Fiddleneck (Amsinckia menziesii) with Aminopyralid (Milestone® herbicide)

Control of Yellow Starthistle (Centaurea solstitialis) and Coast Fiddleneck (Amsinckia menziesii) with Aminopyralid (Milestone® herbicide)

Guy B. Kyser, Vanelle Peterson, Steve B. Orloff, Steven D. Wright, Joseph M. DiTomaso (2011). Invasive Plant Science and Management: July-September, Vol. 4, No. 3, pp. 341-348. http://wssajournals.org/doi/abs/10.1614/IPSM-D-11-00002.1

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Integration of prescribed burning, aminopyralid (Milestone® herbicide) and reseeding for restoration of yellow starthistle-infested rangeland

Integration of prescribed burning, aminopyralid (Milestone® herbicide) and reseeding for restoration of yellow starthistle-infested rangeland

Guy B. Kyser, Arthur W. Hazebrook and Joe DiTomaso (2013-in press) Invasive Plant Science and Management (DOI: 10.1614/IPSM-D-12-00094.1, http://pinnacle.allenpress.com/doi/abs/10.1614/IPSM-D-12-00094.1) 

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Integrated Management of Yellow Starthistle with Burning, Aminopyralid (Milestone® herbicide), and Revegetation

Integrated Management of Yellow Starthistle with Burning, Aminopyralid (Milestone® herbicide), and Revegetation

A summary of research presented as a poster–Integrated Management of Yellow Starthistle with Burning, Aminopyralid (Milestone), and Revegetation–at the Western Society of Weed Science Annual Meeting, Reno, NV 2012 by Guy B. Kyser,  Arthur W. Hazebrook, and Joe DiTomaso.

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Research and Management Tips for Controlling Yellow Starthistle

Research and Management Tips for Controlling Yellow Starthistle

This TechNote summarizes research on: 1) Integrating herbicides with other methods for managing yellow starthistle and 2) Controlling coast fiddleneck (Amsinckia menziesii)and yellow starthistle. Also included are practical management tips on herbicide rate and time of application to optimize yellow starthistle control.

 

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Fall Herbicide Applications to Control Key Invasive Weeds

Fall Herbicide Applications to Control Key Invasive Weeds

Fall is an excellent time to control invasive weeds with Milestone. Late summer and fall rains in many areas of the Central Plains and the West will provide land managers with a good opportunity to extend their application season.

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Tips for Managing Undesirable Brush and Vines in Fall, Winter, and Early Spring

Tips for Managing Undesirable Brush and Vines in Fall, Winter, and Early Spring

Undesirable or invasive woody vegetation threatens the biology and ecology of prairie grasslands and native woodlands. Removing invading woody species can be accomplished year-long, with fall, winter and early spring herbicide applications, extending your vegetation management efforts.

 

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Controlling Invasive Plants in Fall and Early Winter

Controlling Invasive Plants in Fall and Early Winter

Fall is an excellent time to control invasive weeds with herbicides. Late summer and fall rains provide land managers with a good opportunity to extend their application season. 

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Canada Thistle Management with Herbicides

Canada Thistle Management with Herbicides
Canada thistle (Cirsium arvense) is a perennial plant with extensive spreading roots that rapidly forms dense colonies. Vegetative shoots arise from adventitious buds located on Canada thistle roots. Canada thistle also spreads by seed; each shoot can produce more than 1,000 seeds. Plants grow from 1 to 4 feet tall and have spiny, lance-shaped leaves. Purple, lavender, or sometimes white flower heads typically appear from June to October. Read More

Spotted Knapweed Management with Herbicides

Spotted Knapweed Management with Herbicides

Spotted knapweed (Centaurea stoebe) is a tap-rooted perennial forb that spreads by seed. Seedlings and mature plants over-winter in a rosette stage and resume growth in early April. Spotted knapweed blooms from mid to late July through mid September.

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Managing Russian knapweed (Acroptilon repens)

Managing Russian knapweed (Acroptilon repens)

Russian knapweed is a deep-rooted, herbaceous perennial that spreads by seed and vegetative root buds. This article summarizes the effect of various herbicides and application timing on Russian knapweed control.

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Managing Sweetclover in Natural Areas

Managing Sweetclover in Natural Areas

Yellow sweetclover (Melilotus officinalis) and white sweetclover (M. alba) are herbaceous, non-native legumes that are widely distributed in the United States. Learn about the biology, ecology, and management recommendations for sweetclover.

Photo by Elizabeth Bella, USDA Forest Service, Bugwood.org

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Long-term Control of Crown Vetch at a Wisconsin Wildlife Refuge

Long-term Control of Crown Vetch at a Wisconsin Wildlife Refuge

This article reviews results of field trials conducted on a crown vetch infestation in the Upper Mississippi River National Wildlife and Fish Refuge in Wisconsin. Eight years following herbicide application control remained greater than 85%.

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