Microscopy from Scientific Research

Representative images of Col-0 plants grown under different N supplies in soil substrate-filled rhizoplates. 1 or 1/5 N corresponds to the addition of 1.2 or 0.24 mg NH4NO3kg−1soil, respectively. RHs were imaged 14 days after sowing. Horizontal lines in boxplots indicate medians, box limits the 25thand 75thpercentiles, and whiskers extend to 1.5 times the interquartile range from the 25thand 75thpercentiles; n = 9 independent biological replicates for each respective N treatment. p values were calculated with Welch’s t test. Scale bars, 500 m.

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