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. 2020 Jan 31;8:e8469. doi: 10.7717/peerj.8469

Figure 3. Changes in caryopses morphology and structure of barley under DS.

Figure 3

(A) Division of abdominal and dorsal endosperm and morphology of caryopses. (B–M) Microstructure of endosperm under CC and DS at 10, 20, 30 DPA. (N) Relative areas of protein bodies in endosperm cells. (O) Relative areas of starch granules in endosperm cells. (P) Number of starch granules in endosperm cells. Error bars on the graphs indicate the standard deviation calculated from three replications. Asterisks above the histograms indicate significant difference between treatments at p < 0.05 as determined by t-test. AECC, abdominal endosperm under control condition; AEDS, abdominal endosperm under drought stress; DECC, dorsal endosperm under control condition; DEDS, dorsal endosperm under drought stress; Nu, nucleus; PB, protein bodies; SG, starch granules. Scale bars: (B–M) 50 µm.