Publication Date
1989
Description
In a sown pasture, each individual plant tries to gain access to growth resources for its establisment and development. The more competitive species, which generally exhibits more extensive seedling growth obtains a greater share of resources, thus modifying the environment within the plant community (Black, 1966). This develops competitive relationships. As competition operates essentially at the individual plant level (Rhodes, 1970), experiments need to study the effect of neighbouring species on the growth and development of a single plant (Mead, 1979). Studies on competition between ryegrass (Lolium perenne), prairiegrass (Bromus catharticus) and cocksfoot (Dactylis glomerata) show the dominance of prairiegrass over the other two species and of ryegrass over cocksfoot during establishment and early growth (Sangakkara and Roberts, 1985). Thus, an experiment was carried out to determine the response of individual plants of these species growing in mixtures during the early growth phase and observe the development of competitive relationships.
Citation
Sangakkara, U R. and Roberts, E, "Effect of Interspecific Competition on the Development and Early Growth of Grass Species" (2025). IGC Proceedings (1989-2023). 71.
https://uknowledge.uky.edu/igc/1989/session1/71
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Effect of Interspecific Competition on the Development and Early Growth of Grass Species
In a sown pasture, each individual plant tries to gain access to growth resources for its establisment and development. The more competitive species, which generally exhibits more extensive seedling growth obtains a greater share of resources, thus modifying the environment within the plant community (Black, 1966). This develops competitive relationships. As competition operates essentially at the individual plant level (Rhodes, 1970), experiments need to study the effect of neighbouring species on the growth and development of a single plant (Mead, 1979). Studies on competition between ryegrass (Lolium perenne), prairiegrass (Bromus catharticus) and cocksfoot (Dactylis glomerata) show the dominance of prairiegrass over the other two species and of ryegrass over cocksfoot during establishment and early growth (Sangakkara and Roberts, 1985). Thus, an experiment was carried out to determine the response of individual plants of these species growing in mixtures during the early growth phase and observe the development of competitive relationships.
