SVNV (IMAGE) Penn State Caption Soybean vein necrosis disease symptoms on soybean infected with soybean thrips fed on soybean vein necrosis-associated virus-infected material. A and D: Vein clearing in early stages of infection; B and E: turning to chlorosis; C and F: turning to necrosis and expanded to the majority of the leaf blade. Credit Asifa Hameed Usage Restrictions Educational use only License Original 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.