Two or three applications can provide full-season sprout suppression, they found.
Applications, they assure, leave little residue.
The new technology is expected to boost interest in U.S. potato purchases abroad, particularly in markets with strict chemical residue limits.
Anson Fatland, director of WSU's Intellectual Property Office, says "We are very pleased to have partnered with AMVAC on this SmartBlock technology. As a result of this very productive and collaborative research relationship, additional intellectual property has been developed which resulted in worldwide patent protection."
Rick and Lisa Knowles "have been at the forefront of postharvest research of potatoes and this success exemplifies the high quality research that is being carried out by … faculty that has a significant impact on Washington potatoes," adds Dan Bernardo, WSU vice president for ag and extension and dean of the College of Agricultural, Human and Natural Resource Sciences.