Actinomycin D (image) Washington State University Share Print E-Mail Caption This is the effect of different concentrations of actinomycin D applied to pea tissue. The top image is lower concentration of the drug, the bottom the highest concentration. Credit WSU Usage Restrictions None Share Print E-Mail 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.