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The effect of sowing date and season on growth and yield of oilseed rape (Brassica napus)

Published online by Cambridge University Press:  27 March 2009

R. K. Scott ,
E. A. Ogunremi ,
J. D. Ivins  and
N. J. Mendham
R. K. Scott
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics.
E. A. Ogunremi
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics.
J. D. Ivins
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics.
N. J. Mendham
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics.
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Summary

Experiments made between 1967 and 1970 tested the effects of sowing oilseed rape on different dates in autumn and spring. Much greater oil yields were obtained from autumn sowings, due to higher seed yields and oil content, but the effect varied considerably between experiments, varieties and seasons. Autumn-sown crops flowered in late April or early May, and by the time pods were developing rapidly in June the leaves had senesced almost completely. Spring-sown varieties followed a similar pattern but about a month later, and did not reach the same peak in pod growth.

There was a major effect of sowing date, late-autumn sowings (after mid-September) giving lower yields than early-spring sowings. The best autumn sowings (early September) gave about 3 t/ha of seed, but late sowings less than half this; oil content also decreased with delay in sowing – from 45% to as low as 38%. Delayed sowing restricted growth, leaf area and pod production, and also had a slight effect on seed weight. Frost damage on flower buds appeared to be the cause of reduced yield from early sowing (August) in one experiment. In spring, the earliest sowing (late March) gave the best yields. Vigorous but late vegetative growth from the latest sowing (end of April) did not lead to high yields, possibly due to pest and disease effects.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 81 , Issue 2 , October 1973 , pp. 277 - 285
Copyright
Copyright © Cambridge University Press 1973

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References

Allen, E. J. & Morgan, D. G. (1972). A quantitative analysis of the effects of nitrogen on the growth, development and yield of oilseed rape. J. agric. Sci. Carrib. 78, 315–24.CrossRefGoogle Scholar
Bunting, E. S. (1956). Winter rape as an oil seed crop. Agriculture, Lond. 63, 17–20.Google Scholar
Bunting, E. S. (1967). Break crops – oilseed rape. Agriculture, Lond. 74, 465–70.Google Scholar
Bunting, E. S. (1969). Oil-seed crops in Britain. Fid Crop Abstr. 22, 215–23.Google Scholar
Canvin, D. T. (1965). The effect of temperature on the oil content and fatty acid composition of the oils from several oil seed crops. Can. J. Bot. 43, 63—9.CrossRefGoogle Scholar
Holland, S. A. (1971). Some aspects of the physiology of yield of oil seed rape (Brassica napus). B. Sc. Dissertation, University of Nottingham.Google Scholar
Livksey, B. & Hessel, E. E. (1968). Oilseed Rape. The Technical and Economic Facts. Winchester: Wessex Agricultural Producers Limited.Google Scholar
Loof, B. (1960). The agronomy and present position of oil-seed crops in Scandinavia – a review of the literature. Fid Crop Abstr. 13, 1–7.Google Scholar
Radley, R. W. (1963). The effect of planting date, variety and fertilizers on growth and yield of the potato crop. Ph. D. Thesis, University of Nottingham.Google Scholar
Scott, R. K., Ogunremi, E. A., Ivins, J. D. & Mendham, N. J. (1973). The effect of fertilizers and harvest date on growth and yield of oilseed rape sown in autumn and spring. J. agric. Sci. Camb. 81, 287–93.CrossRefGoogle Scholar
Thorne, G. N. (1966). Physiological aspects of grain yield in cereals. In The Growth of Cereals and Grasses (ed. Milthorpe, F. Ls. and Ivins, J. D.). London: Butterworfch.Google Scholar
Torsell, B. (1959). Hardiness and survival of winter rape and winter turnip rape. Department of Plant Husbandry (Crop Production), Royal School of Agriculture, Sweden, publication no. 15.Google Scholar
Watson, D. J. & Watson, M. A. (1953). Comparative physiological studies of field crops. III. The effect of infection with beet yellows and mosaic viruses on growth and yield of the sugar beet crop. Ann. appl. Biol. 40, 1.Google Scholar