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Influence of Sublethal Concentrations of Herbicides and Growth Regulators on Mouseearcress (Arabidopsis thaliana) Progeny

Published online by Cambridge University Press:  12 June 2017

Ron Henzell ,
John Phillips  and
Peter Diggle
Ron Henzell
Affiliation:
Ministry Agric. Fisheries, Ruakura Soil and Plant Res. Stn., Private Bag, Hamilton, New Zealand
John Phillips
Affiliation:
Commonwealth Sci. Ind. Res. Org., Div. Plant Industry, GPO Box 1600, Canberra A.C.T. 2061, Australia
Peter Diggle
Affiliation:
Commonwealth Sci. Ind. Res. Org., Div. of Maths and Statistics, P.O. Box 1965, Canberra A.C.T. 2601, Australia
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Abstract

The influence of sublethal levels of a number of herbicides and plant growth regulators on the germinability of the seeds and the growth and development of seedlings of mouseearcress [Arabidopsis thaliana (L.) Heynh. ♯ ARBTH] was determined. Only 7 of the 22 chemicals tested had a persistent effect on progeny. Amitrole (3-amino-s-triazole) was one of the most effective compounds. It caused a characteristic bleaching only in shoot tips and pods in parent plants and appeared to act directly on the progeny by accumulation in the seed. Two auxin transport inhibitors, TIBA (2,3,5-triiodobenzoic acid) and CPII (5-O-carboxyphenyl-3-phenylisoxazole), and four of the six photosynthetic electron transport inhibitors included in the study also affected progeny. They appeared to act indirectly by interfering with seed development.

Keywords

Photosynthetic electron transportauxin transport inhibitorsARBTH
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 33 , Issue 4 , July 1985 , pp. 430 - 434
Copyright
Copyright © 1985 by the Weed Science Society of America 

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References

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