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Recovery of ryegrass species from drought

Published online by Cambridge University Press:  27 March 2009

I. B. Norris
Affiliation:
Welsh Plant Breeding Station, Aberystwyth
H. Thomas
Affiliation:
Welsh Plant Breeding Station, Aberystwyth

Summary

The effect of drought on the growth and subsequent recovery of container-grown perennial, Italian and hybrid ryegrass plants was assessed in a glasshouse. Dry-matter production and percentage of water-soluble carbohydrates were measured, and nondestructive measurements of growth components (leaf extension, leaf appearance and tillering) were made.

Drought had an effect upon all the variables recorded. Italian ryegrass was most severely affected by drought in terms of tillering, leaf extension and subsequent recovery. Selecting for improved recovery growth was considered to be of more economic importance than selecting for improved growth during drought.

It was concluded that subjecting pot-grown plants to drought, although in many ways unrealistic, was a very useful technique when screening a large number of different genotypes for drought tolerance and recovery.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1982

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References

REFERENCES

Alberda, T. (1957). The effects of outting, light intensity and night temperature on growth and soluble carbohydrate content Lolium perenne L. Plant and Soil 8, 199230.Google Scholar
Aldrich, D. T. A. (1977). Factors affecting the performance of grass and legume cultivars in the U.K. In Proceedings International Meeting on Animal Production from Temperate Grassland, Dublin 1976, pp. 2022.Google Scholar
Brown, R. H. & Blaser, R. E. (1965). Relationships between reserve carbohydrate accumulation and growth rate in orchardgrass and tall fescue. Crop Science 5, 577582.CrossRefGoogle Scholar
Brown, R. H. & Blaser, R. E. (1970). Soil moisture and temperature effects on growth and soluble carbohydrates of orchardgrass (Dactylis glomerata). Crop Science 10, 213216.CrossRefGoogle Scholar
Davidson, J. L. & Milthorpe, F. L. (1966). Leaf growth in Dactylis glomerata following defoliation. Annals of Botany 20, 173184.CrossRefGoogle Scholar
Deinum, B. (1966). Climate, nitrogen and grass. Research into the influence of light intensity, water supply and nitrogen on the production and chemical composition of grass. Mededelingen van de Landbouwhoogeschool te Wageningen 11, 191.Google Scholar
Hughes, R., Jones, E. L., Rushton, W. H. & Evans, W. B. (1977). Herbage yields in 1976. Welsh Plant Breeding Station Annual Report for 1976, pp. 3944.Google Scholar
Keatinge, J. D. H., Stewart, R. H. & Garrett, M. K. (1979). The influence of temperature and soil water potential on the leaf extension rate of perennial ryegrass in Northern Ireland. Journal of Agricultural Science, Cambridge 92, 175183.CrossRefGoogle Scholar
Laidlaw, S. & Berrie, A. M. M. (1974). The influence of expanding leaves and the reproductive stem apex on apical dominance in Lolium multiflorum. Annals of Applied Biology 78, 7582.CrossRefGoogle ScholarPubMed
Ludlow, M. M. & Ng, T. T. (1977). Leaf elongation rate in Panicum maximum var. trichoglume following removal of water stress. Australian Journal of Plant Physiology 4, 263272.Google Scholar
Luxmoore, R. J. & Millington, R. J. (1971). Growth of perennial ryegrass (Lolium perenne L.) in relation to water, nitrogen and light intensity. I. Effects on leaf growth and dry weight. Plant and Soil 34, 269281.Google Scholar
May, L. H. (1960). The utilisation of carbohydrate reserves in pasture plants after defoliation. Herbage Abstracts 30, 239245.Google Scholar
Morrison, J., Jackson, M. V. & Williams, T. E (1974). Variation in response of grass to fertilizer N in relation to environment. Fertilizer Society 142, 2838.Google Scholar
Norris, I. B. (1979). Soil water and weather effects on growth components and yield in grass varieties. M.Sc. thesis, University College of Wales, Aberystwyth.Google Scholar
Peacock, J. M. (1976). Temperature and leaf growth in four grass species. Journal of Applied Ecology 13, 225232.CrossRefGoogle Scholar
Thomas, T. A. (1977). An automated procedure for the determination of soluble carbohydrates in herbage. Journal of the Science of Food and Agriculture 28, 639642.CrossRefGoogle Scholar
Wardlaw, I. F. (1969). The effect of water stress on translocation in relation to photosynthesis and growth. II. Effect during leaf development in Lolium temulentum L. Australian Journal of Biological Science 22, 116.CrossRefGoogle Scholar
Wilson, D. (1975). Stomatal diffusion resistances and leaf growth during droughting of Lolium perenne plants selected for contrasting epidermal ridging. Annals of Applied Biology 79, 8394.Google Scholar