Root pruning from corn rootworm can cause significant yield loss, up to 15% yield loss for every node pruned back to 1.5" of ...

Midwestern corn growers know the symptoms of northern corn leaf blight all too well: greenish-gray lesions on the leaves that can add up to major yield losses if not detected and treated early. Corn ...

Gray leaf spot of corn is caused by the fungus Cercospora zeae-maydis. The fungus is now widespread in Indiana and the Eastern Corn Belt (Midwest). Weather strongly influences development of gray leaf ...

Nobody really knows how the fungus Bipolaris maydis got into the cornfields of the United States. But by summer of 1970, it was there with a vengeance, inflicting a disease called southern corn leaf ...

It is important to continue to scout for diseases in both corn and soybeans. Recent rain events have increased favorable environmental conditions for the development of foliar diseases in both crops.

Tar spot has a strong foothold in some cornfields across parts of central Illinois, according to Ken Ferrie, Farm Journal Field Agronomist. Until this past week, he had difficulty determining whether ...

A study was undertaken to determine the genetics of corn leaf aphid (CLA) resistance in barley under controlled conditions with artificial inoculation at adult plant stage. Inheritance of CLA ...

In order to see how well a corn plant is performing photosynthesis, you need to check the angle of its leaves relative to its stem. And while scientists ordinarily have to do so manually with a ...