Full TGIF Record # 98875
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DOI:10.1046//j.1365-3180.2004.00409.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2004.00409.x/full
    Last checked: 01/17/2014
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http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2004.00409.x/pdf
    Last checked: 01/17/2014
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Publication Type:
i
Refereed
Author(s):Guglielmini, A. C.; Satorre, E. H.
Author Affiliation: Cátedra de Cerealicultura, Departamento de Producción Vegetal, Facultad de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina
Title:The effect of non-inversion tillage and light availability on dispersal and spatial growth of Cynodon dactylon
Source:Weed Research. Vol. 44, No. 5, October 2004, p. 366-374.
Publishing Information:Oxford: Blackwell Scientific Publications
# of Pages:9
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2004.00409.x/abstract
    Last checked: 01/17/2014
    Notes: Abstract only
Keywords:TIC Keywords: Models; Competition; Cynodon dactylon; Tillage; Growth; Ecological distribution; Shade; Invasive weeds; Cultivation; Establishment
Abstract/Contents:"The invasive ability of Cynodon dactylon is dependent on self dispersal and on cultivation practices. Tillage can seriously change patch biomass and spatial structure, spreading vegetative propagules of the weed. The objectives of this study were: (i) to quantify the effect on non-inversion tillage on dispersal, establishment and colonization of C. dactylon and (ii) to propose a simple model considering soil cultivation effects and light availability on spatial growth of weed patches. Two experiments were carried out, exploring different soils and environmental conditions. Spatial distribution of vegetative units differed when tillage was conducted with different non-inversion implements and could be described by simple functions. A minimum patch biomass seems necessary before vegetative structures are vulnerable to movement by cultivation. Only a small proportion of the biomass dispersed from original patches was able to establish. However, simulation showed that the area colonized by C. dactylon mostly increased by means of tillage dispersal, both with and without crop competition, in one growing cycle. It appears sensible to consider changing cultivation practices to reduce weed dispersal and to use crop competition for light to create unsuitable habitats limiting weed colonization."
Language:English
References:32
Note:Figures
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Guglielmini, A. C., and E. H. Satorre. 2004. The effect of non-inversion tillage and light availability on dispersal and spatial growth of Cynodon dactylon. Weed Res. 44(5):p. 366-374.
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DOI: 10.1046//j.1365-3180.2004.00409.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2004.00409.x/full
    Last checked: 01/17/2014
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2004.00409.x/pdf
    Last checked: 01/17/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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