Article: Virus-resistant beans on tap as insurance against chocolate pod disease.

Don't let the name fool you. The soybean aphid, Aphis glycines, also likes feeding on snap beans. Adding insult to injury is the pest's transmission of many different types of viruses, including clover yellow vein virus. A strain of this virus, dubbed "C1YVV-WI," is the chief culprit behind chocolate pod, a disease that causes unsightly defects on snap bean pods.

"Snap beans are sold fresh or processed for freezing or canning, so any defects on the pods make them unmarketable," says ARS plant pathologist Richard Larsen.

Prevention is a challenge, because soybean aphids transmit their viral payloads within seconds of feeding. Also, chocolate pod outbreaks ...

Related newspaper, magazine, and journal articles:

 
 
Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 80 million articles! Access over 6,500 publications with a FREE trial!