Response of Rice Nitrogen Physiology to High Nighttime Temperature during Vegetative Stage

Figure 2

Nitrogen concentration and accumulation in the root and shoot of rice seedling ((a)–(d)). Plants were grown under two temperatures of 22°C (CK) and 27°C (HNT) with three nitrogen levels of 10 mg N/L (low nitrogen level: LN), 40 mg N/L (moderate nitrogen level: MN), and 160 mg N/L (high nitrogen level: HN). Range bars indicate the standard deviation (𝑛=3). ANOVA results are embedded in the figure: ns: not significant; **𝑃<0.01. Columns with the same letter are not significantly different at 𝑃<0.05 by Tukey’s HSD.

(a)

(b)

(c)

(d)