Comparison of imidacloprod, hydroxy, and olefin residue (ppm) in Mexican milkweed, <i>Asclepias curassivica</i>, and buckwheat, <i>Fagopyrum esculentum</i>, flowers (1 g) [47] that were untreated (C), treated with label rate (1X), or twice label rate (2X) of soil-applied imidacloprid (Marathon 1%G).

<p>Comparison of imidacloprod, hydroxy, and olefin residue (ppm) in Mexican milkweed, <i>Asclepias curassivica</i>, and buckwheat, <i>Fagopyrum esculentum</i>, flowers (1 g) [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0119133#pone.0119133.ref047" target="_blank">47</a>] that were untreated (C), treated with label rate (1X), or twice label rate (2X) of soil-applied imidacloprid (Marathon 1%G).