Physiological Responses and Yield of Wheat Plants in Zinc-Mediated Alleviation of Drought Stress.

ABSTRACT: To evaluate the physiological responses of wheat to zinc (Zn) fertilizer application under drought stress, pot, and field experiments were conducted on wheat plants grown under different soil moistures and treated with soil and foliar Zn applications. Photosynthetic characteristics, antioxidant content, Zn element concentration, and the transcription level of genes involved in antioxidant biosynthesis were analyzed. Zn application increased SPAD and Fv/Fm of wheat flag leaves, while decreased lipid peroxidation levels and H₂O₂ content. Zn application increased the antioxidant content (ascorbate, reduced glutathione, total phenolic, and total flavonoid) of wheat flag leaves, and enhanced the relative expression levels of two antioxidant enzyme genes, four ascorb

SUBMITTER: Ma D 

PROVIDER: S-EPMC5442205 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature