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Effect of drought stress on (A) PSII efficiency (Fv/Fm) (B) photochemical quenching (qP), (C) non-photochemical quenching (NPQ) and (D) electron transport rate in Zea mays L. with and without AMF inoculation. Data presented are means (± SE) of three replicates and different letters show significant difference at p < 0.05. MD—moderate drought, SD—severe drought, AMF—G. versiforme.
