Fig. 7 | Scientific Reports

Fig. 7

From: Lanthanum nitrate enhances aroma precursors of tobacco leaves via influencing chemical components and photosynthetic characteristics

Fig. 7

Correlation analysis between root architecture, chemical composition, photosynthetic characteristics and aroma precursors in flue-cured tobacco at 0–130 mg L− 1 lanthanum nitrate. *, **, *** represent significant correlations at the 0.05, 0.01, 0.001 level, respectively. Pn: net photosynthetic rate, Ci: internal CO2 concentration, Tr: transpiration rate, Gs: stomatal conductance, K/Chlorine: Ratio of total K content to nicotine content, N/Nicotine: Ratio of total N content to nicotine content.

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