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Chlorophyll fluorescence as a rapid test for reaction to urea herbicides in winter wheat

Published online by Cambridge University Press:  27 March 2009

Margaret Harris  and
M. S. Camlin
Margaret Harris
Affiliation:
Department of Agricultural Botany, The Queen's University of Belfast, Northern Ireland
M. S. Camlin
Affiliation:
Department of Agricultural Botany, The Queen's University of Belfast, Northern Ireland
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Summary

A simple and rapid test is described which can be used to determine tolerance to metoxuron and chlortoluron herbicides in winter wheat (Triticum aestivum L.) cultivars. Seedlings 5 days old were treated by root application of herbicide for 24 h and tolerant and susceptible cultivars were identified by comparing the chlorophyll fluorescence induction curves for both herbicide-treated and control plants after 7 days. The method was thus capable of detecting cultivar tolerance or susceptibility to the herbicides within 12 days of sowing the seed, providing a rapid and effective screening method. Possible uses for this new test are discussed.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 110 , Issue 3 , June 1988 , pp. 627 - 632
Copyright
Copyright © Cambridge University Press 1988

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