Initial symptoms of stalk rots are noticed by premature wilting and ear drop (Figure 1). As the disease progresses stalks senesce rapidly and turn brown to gray. Figure 1. Symptoms of stalk rots in ...

The top kill phase of anthracnose may occur at any point above the ear from 4 to 6 weeks after pollination, while the lower portions of the stalk remain green. The top kill phase is easily confused ...

So even if corn ear tips are not filled completely ... often on the side of the cob away from the stalk that gives sort of a zippering look on the ears. The zippering often extends most of ...

Corn yield results not from the number ... “Normal-diameter stalks with small or missing ears indicate a problem in the reproductive stage, such as disease, insects, aphids or green snap.

Corn stalks should be sampled at least one week after black layers have formed on about 80% of the kernels of most ears. Sampling can be performed up to harvest. Areas selected for sampling should be ...