Fig. 5

Phenotypes of wild-type (WT) and D11-RNAi (DR-1) plants under well-watered (WW) and moderate soil-drying (MD) treatments. (a) Gross morphology of an adult WT (Zhonghua 10, ZH10) and DR-1 plants. Bar = 30 cm; (b) Comparison of representative panicle of DR-1 with the WT at pollen filling stage. (c-f) Panicle morphology of WT and DR-1 under various soil-drying treatments during panicle development. Bars = 2 cm; (g, h) Comparisons of differentiated spikelets number and spikelet degeneration rate of DR-1 with the WT under various soil soil-drying treatments. The arrow indicates the obvious degenerated spikelets in b, e and f. Vertical bars represent ± standard error of the mean (n = 6) where these exceed the size of the symbol. Different letters above the bars indicate the least significant difference at P = 0.05