#geneticsiscool

[delmarvacropqueen]

That brown rectangle to the right is gray leaf spot... it's a fungal disease that can greatly affect yields on corn 🌽 that yellow halo you see around it is the corns immune system fighting off the disease so it doesn't spread. Certain corn varieties fight it better than others. #geneticsiscool #cornnerd #farmgirlsnightout #pioneerlady #pioneer #gls (at Bishopville, Maryland)