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® specialty 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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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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Managing Invasive Nightshades (Horsenettles) in Natural Areas and Pastures

Managing Invasive Nightshades (Horsenettles) in Natural Areas and Pastures

Silverleaf nightshade (Solanum elaeagnifolium) and Carolina horsenettle (Solanum carolinense), also known as horse nettle or bull nettle, are deep-rooted, herbaceous, perennial plants in the nightshade family. Article discusses distribution and management of the two invasive nightshades

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The Most Popular Mobile Applications (Apps) for Invasive Plant Managers

The Most Popular Mobile Applications (Apps) for Invasive Plant Managers

In January 2018, a web-based survey on mobile applications was emailed to invasive plant managers to identify mobile-device applications currently used to support invasive plant management activities and share information on how individual apps ranked in terms of user satisfaction. Details on demographics and affiliation for this survey are available at here.

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Midwest/East Region Summary: The Most Popular Mobile Applications for Invasive Plant Managers

Midwest/East Region Summary: The Most Popular Mobile Applications for Invasive Plant Managers

In January 2018, a web-based survey on mobile applications was emailed to invasive plant managers to identify mobile-device applications currently used to support invasive plant management activities and share information on how individual apps ranked in terms of user satisfaction. Results from midwestern and eastern states are summarized in this article.

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West Region Summary: The Most Popular Mobile Applications for Invasive Plant Managers

West Region Summary: The Most Popular Mobile Applications for Invasive Plant Managers

In January 2018, a web-based survey on mobile applications was emailed to invasive plant managers to identify mobile-device applications currently used to support invasive plant management activities and share information on how individual apps ranked in terms of user satisfaction. Results from western states are summarized in this article.

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Have Burs Will Travel

Have Burs Will Travel

Cocklebur or Burdock—What’s the Difference? Common cocklebur (Xanthium strumarium L.) and common burdock (Arctium minus) are members of the sunflower family. This article describes how the two weeds differ in their life cycle, growth form, flower type, and seed heads.

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Managing Autumn Olive in Natural Areas

Autumn olive is an invasive woody shrub or small tree that grows to about 20 feet in height. The plant is commonly found invading open and early-successional woodlands, abandoned agricultural fields, and edges of streams and rivers.

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Autumn Olive and Russian Olive—What’s the Difference?

Autumn Olive and Russian Olive—What’s the Difference?

Autumn olive (Elaeagnus umbellata) and Russian olive (Elaeagnus angustifolia) are invasive, deciduous, woody shrubs or small trees that were introduced for landscaping, soil stabilization, and wildlife food/cover. Both plants became invasive in riparian areas, open forests, lake shores, and abandoned fields.

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Identification & Management of Purple Loosestrife

Identification & Management of Purple Loosestrife

Purple loosestrife (Lythrum salicaria L.) is a perennial, rhizomatous forb that invades riparian areas and other waterways throughout most of the U.S. and southern Canada  The invasive plant threatens biodiversity of wetlands. Successful management requires integrating various management methods.

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Native and Exotic Thistles: Who's Jekyll, Who's Hyde?

Native and Exotic Thistles: Who's Jekyll, Who's Hyde?

There are five common exotic thistles (exluding Centaurea spp., both the starthistles and knapweeds) in the western U.S. that are problematic to some degree across a variety of habitats.

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Studies explore the influence of plant-pollinator interactions on native plant communities threatened by invasive plants

Studies explore the influence of plant-pollinator interactions on native plant communities threatened by invasive plants

Two field studies in Montana and Illinois explore the influence of plant-pollinator interactions on native plant communities threatened by invasive plants.

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Understanding Performance of Your ATV-Mounted Boomless Spray Nozzles

Understanding Performance of Your ATV-Mounted Boomless Spray Nozzles

All-terrain vehicles (ATVs) with small-capacity spray tanks and boomless nozzle systems are well adapted to uneven terrain and are thought to have potential to spray 25 to 30-foot swaths using a centrally located single or dual nozzle arrangement. This article summarizes field studies by Robert Wolf and others at Kansas State University to evaluate the effectiveness of spray nozzles on ATVs.

 

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