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EPTC Effects on Sicklepod Petiolar Fatty Acids

Published online by Cambridge University Press:  12 June 2017

R. E. Wilkinson  and
W. S. Hardcastle
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Abstract

Total petiolar fatty acid content of sicklepod (Cassia obtusifolia L.) treated with 0, 0.14, 0.28, 0.56, 1.12, 2.24, or 4.48 kg/ha S-ethyl dipropylthiocarbamate (EPTC) was measured by gas-liquid chromatography. Neither total petiole fatty acid content nor percentages of the various 53 identified constituents changed in relation to herbicide application. Isostearate (17.5%), stearate (5.7%), oleate (5.7%), linolate (9.8%), and arachidate (8.2%) accounted for 46.9% of the total petiole fatty acid content. Anteiso derivatives of C15 to C31 were identified and quantitated at concentrations of 0.25 to 2.00%. Petiole cuticle thickness decreased 35% as herbicide concentration increased to 4.48 kg/ha.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 3 , July 1969 , pp. 335 - 338
Copyright
Copyright © 1969 Weed Science Society of America 

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References

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