Selective Herbicides Reduce Alligator Weed (Alternanthera Philoxeroides) Biomass by Enhancing Competition
| Autor: | M. H. Julien, Shon S. Schooler, Anne Bourne, Graham Prichard, Tony Cook |
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| Rok vydání: | 2008 |
| Předmět: |
Alternanthera
Biomass (ecology) biology media_common.quotation_subject Alligator Dicotyledon Plant Science biology.organism_classification Competition (biology) chemistry.chemical_compound Agronomy chemistry Alternanthera philoxeroides Glyphosate biology.animal Weed Agronomy and Crop Science media_common |
| Zdroj: | Weed Science. 56:259-264 |
| ISSN: | 1550-2759 0043-1745 |
| DOI: | 10.1614/ws-07-132.1 |
| Popis: | Physical and chemical methods of managing invasive plants (weeds) create disturbances that paradoxically often promote these species because weeds tend to have traits that confer competitive advantages over desired species in disturbed habitats. A more holistic and sustainable method of managing invasive plants is to design disturbance regimes to favor desired species over weeds. This study investigated how the biomass of a herbicide-tolerant plant, alligator weed, and its competitors respond to different chemical disturbances over a 2-yr period. We compared the response of alligator weed and its monocotyledon competitors to 16 different herbicide treatments in a blocked 4 by 2 by 2 factorial design. Treatments included broad spectrum (nonselective) and dicotyledon specific (selective) herbicides applied at two concentrations (variable depending on herbicide) and two frequency regimes (three or four applications). Belowground biomass of alligator weed in unmanipulated control plots was 10 times g... |
| Databáze: | OpenAIRE |
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