This Phytodetek enzyme immunoassay presents a convenient method for the quantitative determination of Indole-3-acetic acid (with a simple methylation step) in a variety of plant tissue. Much like other quantitative methods such as HPLC and GC, the Phytodetek kits provide an analysis tool with the added benefit of multi sample analysis for a reasonable cost. The Phytodetek product line has been serving the scientific community for over 20 years and numerous publications and data have been generated for this test system. Any search engine can be used to find these publications simply by searching the term "Phytodetek" and "IAA".