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Effect of the Treatment of Wheat Seeds with Vegetable Oils on Germination and Emergence

Published online by Cambridge University Press:  03 October 2008

Joshua D. Klein  and
Yonit Hebbe
Joshua D. Klein
Affiliation:
Volcani Center-ARO, Institute of Field and Garden Crops, Department of Agronomy and Natural Resources, Bet Dagan 50250, Israel
Yonit Hebbe
Affiliation:
Institute for Agricultural Research According to the Torah, MP Emeq Soreq 76812, Israel
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Summary

Seeds of wheat (Triticum aestivum L.) were coated with a range of vegetable oils before sowing, in an effort to provide a hydrophobic coating that would only dissolve or wash away in the presence of sufficient water to maintain continued seedling growth. Germination of oil-treated seeds was reduced by 20–50% and time to 50% emergence was increased by two to five days. Treating pesticide-coated seeds with vegetable oil further decreased germination and extended time to emergence. Oil treatment did not decrease water uptake or affect seed respiration. Degree of saturation and linoleic acid:oleic acid ratio were not correlated with the effects of the various oils. The decreased germination and delayed emergence associated with the oil treatment were probably due to physiological rather than physical factors.

Type
Research Article
Information
Experimental Agriculture , Volume 31 , Issue 3 , July 1995 , pp. 291 - 298
Copyright
Copyright © Cambridge University Press 1995

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