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Fig. 6 | BMC Plant Biology

Fig. 6

From: Grafting alleviates potassium stress and improves growth in tobacco

Fig. 6

Relative expression levels of genes (a. HAK1, b. NKT1, c. NHA1, d. NVP1) related to potassium transport in tobacco roots under two potassium supply conditions. The tobacco graft combinations included the ungrafted tobacco W (Wufeng No.2) and Y (Yunyan 87), and grafted tobacco Y/W (Y grafted onto W) and W/Y (W grafted onto Y). Different uppercase letters denote significant differences (P < 0.05) under normal potassium levels (5 mmol L− 1) and lowercase letters indicate significant difference (P < 0.05) under potassium starvation (0.5 mmol L− 1)

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