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Tissue Abnormalities Induced in Roots of Colonial Bentgrass by Phenoxyalkylcarboxylic Acid Herbicides

Published online by Cambridge University Press:  12 June 2017

Lloyd M. Callahan  and
Ralph E. Engel
Lloyd M. Callahan
Affiliation:
Soils and Crops, Rutgers University Turfgrass Management, University of Tennessee Agricultural Experiment Station, Knoxville
Ralph E. Engel
Affiliation:
Turfgrass Management, Rutgers University, New Brunswick, New Jersey
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Abstract and summary

Tissue abnormalities in colonial bentgrass (Agrostis tenuis Sibth.) were observed after foliage applications at normal doses of 2,4-dichlorophenoxyacetic acid (2,4-D), 2-(2, 4, 5-trichlorophenoxy)propionic acid (silvex), or 4-(2,4-dichlorophenoxy)-butyric acid [4-(2,4-DB)]. They included proliferations of the pericycle, hypertrophic cortical cells, and massed lateral root and root hair formations. The abnormalities usually resulting from phenoxy rates of 1, 1-½, or 3 pounds active per acre were often followed by death of the bentgrass within 20 days after treatment.

Information

Type
Research Article
Information
Weeds , Volume 13 , Issue 4 , October 1965 , pp. 336 - 338
Copyright
Copyright © 1965 Weed Science Society of America 

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References

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