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. 2017 Aug 25;8:1485. doi: 10.3389/fpls.2017.01485

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Copyright © 2017 Brunharo and Hanson.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Dose-response analysis of paraquat-resistant (PRHC) and -susceptible (S) Lolium perenne L. spp. multiflorum. Data points represent plant biomass of PRHC (solid, red triangles) and S (open, black circles) 28 days after paraquat treatment compared to a non-treated control. Bars on data points represent standard errors (N = 8). Lines represent three-parameters log-logistic regression of PRHC (red, solid lines) and S (black, dashed lines). Y = d /1 + exp [b (log x - log e)]}, where b denotes the relative slope around e, d is the upper limit, and e is the amount of paraquat required to reduce biomass by 50% (in g a.i. ha^-1).