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A Rapid Bioassay for Photosynthetic and Respiratory Inhibitors

Published online by Cambridge University Press:  12 June 2017

B. A. Kratky  and
G. F. Warren
B. A. Kratky
Affiliation:
Dep. of Hort., Purdue Univ., Lafayette, Indiana 47907
G. F. Warren
Affiliation:
Dep. of Hort., Purdue Univ., Lafayette, Indiana 47907
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Abstract

A bioassay for photosynthetic and respiratory inhibitors was devised. The chlorophyll production of Chlorella pyrenoidosa Sorokin, high temperature strain 7-11-05, served as the basis of the bioassay which required 18 to 36 hr to complete. The sensitivity to nine photosynthetic and two respiratory inhibitors ranged from 0.013 to 0.4 ppm. The bioassay was successfully employed to assay leachates from soil columns and to monitor a field residue of 2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine (atrazine).

Type
Research Article
Information
Weed Science , Volume 19 , Issue 6 , November 1971 , pp. 658 - 661
Copyright
Copyright © Weed Science Society of America 

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References

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