AMES, Iowa, April 18 -- Iowa State University issued the following news release: * * * Disrupting 'communication' with plants could limit soybean cyst nematode infections AMES, Iowa - Targeting a newly discovered vulnerability in the signals that cyst nematodes use to infect plant roots could be a powerful method for reducing the damage the parasitic worms cause in crops such as soybeans, according to a study co-authored by an Iowa State University professor. Researchers identified a single  more PR