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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 |
Publication Type:
| 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
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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 |
| MSU catalog number: SB 599 .W4 |
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