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Environmental effects on seed oil percentage and fatty acid composition in white lupin (Lupinus albus)

Published online by Cambridge University Press:  27 March 2009

Watkin Williams  and
R. McGibbon
Watkin Williams
Affiliation:
Department of Agricultural Botany, University of Reading
R. McGibbon
Affiliation:
Department of Agricultural Botany, University of Reading
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Summary

The effects of temperature, light intensity and nitrogen supply on the amount and fatty acid composition of the seed oil in Lupinus albus has been investigated. The percentage seed oil was reduced and its degree of saturation increased at higher temperatures. High temperatures during the dark period caused a reduction in percentage oil only when combined with day temperature of 20 °C, indicating a highly specific interaction between day and night temperatures. Shading reduced oil content, an effect which may determine response to population density and the optimal phenotype for high-oil cultivars.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 95 , Issue 3 , December 1980 , pp. 597 - 602
Copyright
Copyright © Cambridge University Press 1980

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References

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