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Fig. 7 | BMC Plant Biology

Fig. 7

From: Carbon monoxide is involved in melatonin-enhanced drought resistance in tomato seedlings by enhancing chlorophyll synthesis pathway

Fig. 7

Effects of MT, CO, MT + CO, and MT + Hb on the levels of Chl a, Chl b, and total Chl (a) and the expression of SlPOR(b), SlChlS(c), and SlCAO(d) in tomato seedlings under drought stress. The data are the average of three replicates and are presented as means ± SE. Different letters indicate significant differences at P < 0.05 according to Duncan’s multiple range tests

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