Improving suboptimal temperature tolerance in maize--the search for variation

Temperature is the primary determining factor for the productivity of maize hybrids (both grain and silage), grown in cool climates such as the northern USA, Canada and northern Europe. Considerable genetic variation exists for several of the component traits controlling tolerance/sensitivity. Furth...

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Bibliographic Details
Published in:Journal of experimental botany 1996-03, Vol.47 (296), p.307-323
Main Author: Greaves, J.A
Format: Article
Language:English
Subjects:
Agricultural and forest climatology and meteorology. Irrigation. Drainage
Agricultural and forest meteorology
Agronomy. Soil science and plant productions
Biological and medical sciences
chilling injury
Climatic adaptation. Acclimatization
Cold tolerance
Cooling
Corn
freezing
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
genes
genetic transformation
Genetic variation
Hybridity
literature reviews
Low temperature
Phenotypic traits
Photosynthesis
Physical agents
plant breeding
Plant physiology and development
Plants
REVIEW ARTICLE
Seedlings
tolerance
Vegetative apparatus, growth and morphogenesis. Senescence
Zea mays
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Summary:Temperature is the primary determining factor for the productivity of maize hybrids (both grain and silage), grown in cool climates such as the northern USA, Canada and northern Europe. Considerable genetic variation exists for several of the component traits controlling tolerance/sensitivity. Furthermore, gene delivery and deployment technologies such as transformation and marker assisted selection are becoming routine tools in commercial plant breeding programmes. This paper will introduce some of the approaches being taken to identify specific genes involved in conferring tolerance to suboptimal temperatures, and the complexities involved in engineering a tolerance package which will result in improved field performance.
ISSN:0022-0957
1460-2431