Glyphosate-Resistant Palmer Amaranth Plants -- Spray (VIDEO) American Institute of Physics This video is under embargo. Please login to access this video. Caption These two videos compare the results of the glyphosate-resistant palmer amaranth plants for different application methods and different pesticides. Each plant was photographed daily for a period of 21 days. Video 1: The researchers compared (left to right) a plant that was sprayed with water (control), glyphosate, Dicamba, and 2,4-D, all according to the manufacturer's guidelines. Credit Hendrik Viljoen Usage Restrictions Journalists may use this video only with appropriate credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.