Full TGIF Record # 227336
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Web URL(s):http://www.swss.ws/wp-content/uploads/docs/2013 Proceedings-SWSS.pdf#page=94
    Last checked: 08/12/2013
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Author(s):Smith, J. M.; Wherley, B.; Baumann, P. A.; Falk, S.
Author Affiliation:Smith and Wherley: Texas A&M University; Baumann: Texas AgriLife Extension, College Station, TX; Falk: The Scotts Company, Marysville, OH
Title:Evaluation of weed control spectrum of Canadian bioherbicide Phoma macrotoma
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Meeting Info.:Houston, Texas: January 28-30, 2013
Source:Proceedings of the Southern Weed Science Society: 66th Annual Meeting. Vol. 66, 2013, p. 7.
# of Pages:1
Publishing Information:Champaign, Illinois: Southern Weed Science Society
Keywords:TIC Keywords: Biological herbicides; Herbicide efficacy; Herbicide evaluation; Phoma macrostoma; Weed control; Weed control spectrum
Trade Names:Canadian Bioherbicide
Abstract/Contents:"Effective natural options for weed control in turfgrass systems have been limited. Canadian Bioherbicide is a granular biopesticide being developed for selective broadleaf weed control. This product is produced from the solid fermentation of the fungus Phoma macrostoma on grain, and is applied as a dry granular product. Herbicidal activity from this product causes foliar bleaching and necrosis of susceptible broadleaf weeds. Much of the product development has been conducted in northern climates. This research is evaluating spectrum of weed control with emphasis on southern weeds. A greenhouse study was conducted in College Station, TX to evaluate different application rates of Phoma macrostoma for weed control on common dandelion (Taraxacum officinale), slender aster (Symphyotrichum ligulatum), yellow woodsorrel (Oxalis stricta), shepherd's purse (Capsella bursa-pastoris), common mallow (Malva neglecta), common purslane (Portulaca oleracea), California burclover (Medicago polymorpha), and annual sowthistle (Sonchus oleraceus). Dandelion proved to be the most susceptible weed with all Phoma macrostoma rates causing significant reductions in weed biomass dry weights, and significantly greater chlorosis. The higher rates also produced significantly higher weed mortality (>95%) and decreased weed cover (data not shown). Annual sowthistle showed significant levels of chlorosis at the high rates, but only the highest rate provided significant reductions in weed cover (data not shown), weed biomass dry weights, and weed mortality (80%). Significant levels of chlorosis were visible on California burclover, slender aster, and shepherd's purse, but the weeds were able to outgrow the injury. Phoma macrostoma had no activity on common purslane, common mallow, or yellow woodsorrel."
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Smith, J. M., B. Wherley, P. A. Baumann, and S. Falk. 2013. Evaluation of weed control spectrum of Canadian bioherbicide Phoma macrotoma. South. Weed Sci. Soc. Proc. 66:p. 7.
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Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2013 Proceedings-SWSS.pdf#page=94
    Last checked: 08/12/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: b2207931
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