Genetic improvement and agronomy for enhanced wheat competitiveness with weeds

Lemerle, D., Gill, G. S., Murphy, C. E., Walker, S. R., Cousens, R. D., Mokhtari, S., Peltzer, S. J., Coleman, R. and Luckett, D. J. (2001) Genetic improvement and agronomy for enhanced wheat competitiveness with weeds. Australian Journal of Agricultural Research, 52 5: 527-548.


Author Lemerle, D.
Gill, G. S.
Murphy, C. E.
Walker, S. R.
Cousens, R. D.
Mokhtari, S.
Peltzer, S. J.
Coleman, R.
Luckett, D. J.
Title Genetic improvement and agronomy for enhanced wheat competitiveness with weeds
Journal name Australian Journal of Agricultural Research   Check publisher's open access policy
ISSN 0004-9409
1836-5795
Publication date 2001
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1071/AR00056
Volume 52
Issue 5
Start page 527
End page 548
Total pages 22
Place of publication Collingwood, Vic., Australia
Publisher CSIRO Publishing
Language eng
Abstract The rapid development of herbicide resistance in weeds, and environmental imperatives, have forced the consideration of non-chemical tactics such as crop competition for weed management. This review of wheat–weed competition examines the plant traits associated with wheat competitiveness, and the opportunities for plant breeding or manipulating crop agronomy to differentially favour the growth of the crop. Many studies have proven that enhancing crop competitive ability can reduce weed seed production and crop yield loss, although a number of difficulties in conducting this research are identified and suggestions are made for improvement. It remains to be seen whether crop competitiveness will be considered as a priority by farmers and plant breeders. Farmers require precise information on the reliability of agronomic factors such as increased crop seeding rate or choice of variety for enhancing crop competitive ability in different environments. Plant breeders need to know which plant traits to incorporate in varieties to increase competitive ability. A thorough analysis of the benefits and costs of enhancing wheat competitiveness is needed. Competitive wheat crops should be available as part of reliable and economical integrated weed management packages for farmers.
Keyword Herbicide resistance
Plant traits
Crop morphology
Variety
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Journal title since 2009: Crop and Pasture Science (1836-0947; 1836-5795)

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collection: Queensland Alliance for Agriculture and Food Innovation
 
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