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Integrating Herbicide Use and Perennial Grass Revegetation to Suppress Weeds in Noncrop Areas

  • Rob G. Wilson (a1), Steve B. Orloff (a2), Donald L. Lancaster (a3), Donald W. Kirby (a4) and Harry L. Carlson (a4)...
Abstract
Abstract

Noncropland such as levees, roadsides, field borders, fencerows, and wildlife areas are vulnerable to weed invasion. Many sites have undergone frequent human disturbance, such as manipulation from surrounding land uses, and lack competitive, desirable vegetation. This study addressed the importance of revegetation in an integrated weed management program including revegetation for noncrop areas. The study evaluated 14 cool-season perennial grasses (seven native species and eight introduced species) for their establishment, vigor, and ability to suppress weeds. It also evaluated the impact of herbicides on weed control and grass establishment. Treatments were applied at three noncrop sites in Northeast California that were heavily infested with weeds. Chemical weed control during the year of seeding and the following year was critical for perennial grass establishment. Weed cover was greater than 50% whereas average seeded grass cover was less than 6% in untreated plots at all sites 2 yr after seeding. In contrast, average seeded grass cover at all sites was 22 to 31% 2 yr after seeding for treatments where herbicide use resulted in wide-spectrum weed control and grass safety. Increasing perennial grass cover decreased total weed cover across perennial grass species 1and 2 yr after seeding. Individual grass species' cover differed among sites. Two introduced grasses (tall wheatgrass and crested wheatgrass) and three native grasses (western wheatgrass, bluebunch wheatgrass, and thickspike wheatgrass) showed broad adaptation and had > 20% cover at all sites 2 yr after seeding. In herbicide-treated plots, these grasses reduced total weed cover by 43 to 98% compared to unseeded plots 2 yr after seeding.

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Corresponding author's E-mail: rgwilson@ucdavis.edu
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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

R. L. Amor and P. L. Stevens 1975. Spread of weeds from a roadside to into sclerophyll forests at Dartmouth, Australia. Weed Res 16:111118.

J. J. Berger 1993. Ecological restoration and nonindigenous plant species: a review. Restor. Ecol 1:7482.

D. M. Blumenthal , N. R. Jordan , and E. L. Svenson 2003. Weed control as a rationale for restoration: the example of tallgrass prairie. Conserv. Ecol 7:6. [online] URL:http://www.consecol.org/vol7/iss1/art6/. Accessed: April 15, 2009.

M. M. Borman , W. C. Krueger , and D. E. Johnson 1991. Effects of established perennial grasses on yields of associated annual weeds. J. Range Manag 44:318326.

J. Dekker 1999. Soil weed seed banks and weed management. J. Crop Prod 2:139166.

J. M. DiTomaso 2000. Invasive weeds in rangelands: species, impacts, and management. Weed Sci 48:255265.

G. J. R. Herron , L. Sheley , B. D. Maxwell , and J. S. Jacobs 2001. Influence of nutrient availability on the interaction between spotted knapweed and bluebunch wheatgrass. Ecol. Restor 9:326331.

R. J. Hobbs and S. E. Humphries 2002. An integrated approach to the ecology and management of plant invasions. Conserv. Biol 9:761770.

S. R. Radosevich , M. M. Stubbs , and C. M. Ghersa 2003. Plant invasions—process and patterns. Weed Sci 51:254259.

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Invasive Plant Science and Management
  • ISSN: 1939-7291
  • EISSN: 1939-747X
  • URL: /core/journals/invasive-plant-science-and-management
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