Absorption and Translocation of14C-Imazapyr and14C-Glyphosate in AlligatorweedAlternanthera philoxeroides
- 1 March 1994
- journal article
- research article
- Published by Cambridge University Press (CUP) in Weed Technology
- Vol. 8 (1) , 32-36
- https://doi.org/10.1017/s0890037x00039166
Abstract
The absorption and translocation of the isopropylamine salts of 14C-glyphosate and 14C-imazapyr were compared in established terrestrial alligatorweed. Results indicated that more than twice as much imazapyr as glyphosate was absorbed by treated leaves of alligatorweed. In addition, more imazapyr was translocated to the underground storage tissues in alligatorweed than was glyphosate. This difference in translocation to roots and subterranean storage tissues is proposed as a mechanism for tolerance of alligatorweed to glyphosate and susceptibility to imazapyr.Keywords
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