DNA study shows the deadly potato blight came from South America.

“Climate change is bringing more drought to higher Andean elevations, so we could be losing some of these potatoes before we learn if they could provide resistance to late-blight disease.” Ristaino ...

Study author Professor Jean Ristaino, an expert in plant pathology at North Carolina ... The pathogen still causes late-blight disease on potato and tomato plants around the world.

Scotland's History Land and Votes Potato blight ruins Scottish crops The Adobe Flash player and Javascript are required in order to view a video which appears on this page. You may wish to ...

Prohexadione calcium, meanwhile, widens the walls of a plant’s cells, conditioning the tree to create a physical barrier that ...

infestans, but also the sister lineages,” said Jean Ristaino, a professor of plant pathology at North Carolina State ... and closer to two million left the country. Potato blight continues to threaten ...

Potato growers in Thakurgaon and Panchagarh are struggling to protect their crops as cold weather and dense fog have ...