Wheat is vulnerable to fungal maladies, known as septoria-blotch diseases, that reduce the ability of the plants’ leaves to carry out photosynthesis. For reasons unknown, the relative roles played by the two fungi that cause these diseases—Phaeosphaeria nodorum and Mycosphaerella graminicola—vary from country to country and from decade to decade.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.