Dodder across Field (IMAGE) Penn State Caption Dodder can parasitize a variety of plant species, including some of agricultural importance, like tomatoes. In addition to reducing yield, its dense vine-like structure can interfere with harvesting machinery. Credit Claude dePamphilis, Penn State Usage Restrictions Credit must be provided alongside image. 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.