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Influence of Environmental and Chemical Factors on Amitrole Metabolism in Excised Leaves

Published online by Cambridge University Press:  12 June 2017

L. W. Smith ,
D. E. Bayer  and
C. L. Foy
L. W. Smith
Affiliation:
University of California, Davis
D. E. Bayer
Affiliation:
Department of Botany, University of California, Davis
C. L. Foy
Affiliation:
Department of Botany, University of California, Davis
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Abstract

Several factors were studied which influenced 3-amino-1,2,4-triazole (amitrole) metabolism in excised leaves of bean (Phaseolus vulgaris L., var. Red Kidney) and Canada thistle (Cirsium arvense (L.) Scop.) ecotypes. Amitrole metabolism in the leaves of both species held in the light was greater than in leaves held in the dark. Increasing the temperature from 15 C to 28 C also stimulated the rate of metabolism of amitrole. However, this effect was much less pronounced when the temperature was increased from 22 C to 28 C. Dipping the leaves in 10−2M ammonium thiocyanate reduced the metabolism of amitrole, whereas similar pre-treatment with 3.5 × 10−3M 6N-benzyladenine enhanced the metabolism of amitrole.

Type
Research Article
Information
Weed Science , Volume 16 , Issue 4 , October 1968 , pp. 527 - 530
Copyright
Copyright © Weed Science Society of America 

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References

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