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Fig. 4 | BMC Plant Biology

Fig. 4

From: The bacterial consortia promote plant growth and secondary metabolite accumulation in Astragalus mongholicus under drought stress

Fig. 4

Effect of drought stress and consortium 6 on the calycosin-7-glucoside and astragaloside IV content. Plants grew in soil for two months and subjected to different drought levels for 30 days. The total content of astragaloside IV (A, B) and calycosin-7-glucoside (C, D) in roots of Astragalus was determined, each treatment with four replications. ‘ns’ indicated no significant difference. The asterisks indicated significant difference according to Student’s t test, ‘*’: P ≤ 0.05; ‘**’: P ≤ 0.01; ‘**’: P ≤ 0.001

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