Illustration of the double built-in containment strategy for pharmaceutical transgenic rice.

<p>Bentazon is used for selective termination of transgenic rice during field planting stage as reported previously <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0115459#pone.0115459-Lin2" target="_blank">[29]</a>. Visual detection can be used to monitor the transgenic rice seeds after harvest.