Lately, we are seeing quite a bit of fall armyworm damage in late-planted whorl stage sorghum. In the photo, we see a Hale county field with some fall armyworm damage that looked really bad a few weeks ago. However, this week the worm has moved on, leaving no damage to the head (which is now in boot). The producer desperately wanted to spray to save the plant from damage, but sorghum can take quite a bit of foliar damage without economic loss. Here is some evidence to back that up. These plants experienced about 3-5% foliage loss, but no economic damage.
Good Luck,
Blayne
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