Fig. 3

Flower number per panicle in year two (2016). a Image of closed and open switchgrass flowers. Taken with a Nikon D90, 60-mm micro lens (Nikon USA, Melville, N.Y.). b Letters represent significant differences between means (Fisher’s LSD, P < 0.05). Error bars represent standard error of the means. P ≤ 0.0001