Exogenous application of 5-NGS increased osmotic stress resistance by improving leaf photosynthetic physiology and antioxidant capacity in maize 1College of Agriculture, Northeast Agricultural University, Harbin, Heilongjiang, China 2College of Resources and Environment, Northeast Agricultural University, Harbin, Heilongjiang, China DOI 10.7717/peerj.17474 Academic Editor Ratnakumar Pasala Subject Areas Agricultural Science, Environmental Sciences, Plant Science Keywords 5-NGS, Maize...