Foliar humic acid and salicylic acid application stimulates physiological responses and antioxidant systems to improve maize yield under water limitations

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dc.contributor.authorAltaf, Adnan
dc.contributor.authorNawaz, Fahim
dc.contributor.authorMajeed, Sadia
dc.contributor.authorAhsan, Muhammad
dc.contributor.authorAhmad, Khawaja Shafique
dc.contributor.authorAkhtar, Gulzar
dc.contributor.authorShehzad, Muhammad Asif
dc.contributor.authorJaveed, Hafiz Muhammad Rashad
dc.contributor.authorFarman, Muhammad
dc.date.accessioned2024-09-03T08:32:08Z
dc.date.available2024-09-03T08:32:08Z
dc.date.issued2023de
dc.description.abstractBackground: Humic acid (HA) is an organic acid that is naturally present in soil organic matter and improves nutrient availability and the mechanisms involved in plant growth and development. Likewise, salicylic acid (SA) is an important plant hormone involved in the regulation of plant growth and development. A pot experiment was carried out to determine the effects of individual or combined HA and SA application on growth and yield of maize (Zea mays L.) under drought stress conditions. Two maize hybrids, namely, 30T60 (drought tolerant) and 75S75 (drought sensitive), were grown in semi-controlled conditions and foliar applied with SA (1 mM), HA (100 mg L1 ) and their combination (HA + SA). The plants were exposed to drought stress at the tasseling stage (R1, 60 days after sowing) for 2 weeks, while control plants were given normal irrigation. Results: The results showed that HA and SA applications significantly enhanced the gas exchange characteristics (photosynthetic rate, transpiration rate, and stomatal conduc- tance), and antioxidant activity (catalase, guaiacol peroxidase, and superoxide dismutase) of water stressed maize plants. Foliar SA spray significantly increased the photosynthetic efficiency and activity of enzymatic antioxidants closely followed by HA + SA applica- tion that ultimately improved the yield and net benefit cost ratio of maize under water deficit conditions. Conclusion: Our findings suggest that foliar spraying of SA at the initiation of the repro- ductive stage is a cost-effective strategy to obtain a high maize yield under limited water conditions.en
dc.identifier.swb1840453079
dc.identifier.urihttps://hohpublica.uni-hohenheim.de/handle/123456789/16357
dc.identifier.urihttps://doi.org/10.1002/jsf2.106
dc.language.isoengde
dc.rights.licensecc_byde
dc.source2573-5098de
dc.sourceJSFA reports; Vol. 3, No. 3 (2023), 119-128de
dc.subjectAntioxidant enzymesen
dc.subjectGas exchangeen
dc.subjectHumic aciden
dc.subjectSalicylic aciden
dc.subjectWater stressen
dc.subjectYielden
dc.subjectZea maysen
dc.subject.ddc630
dc.titleFoliar humic acid and salicylic acid application stimulates physiological responses and antioxidant systems to improve maize yield under water limitationsen
dc.type.diniArticle
dcterms.bibliographicCitationJSFA reports, 3 (2023), 3, 119-128. https://doi.org/10.1002/jsf2.106. ISSN: 2573-5098
dcterms.bibliographicCitation.issn2573-5098
dcterms.bibliographicCitation.issue3
dcterms.bibliographicCitation.journaltitleJSFA reports
dcterms.bibliographicCitation.volume3
local.export.bibtex@article{Altaf2023, url = {https://hohpublica.uni-hohenheim.de/handle/123456789/16357}, doi = {10.1002/jsf2.106}, author = {Altaf, Adnan and Nawaz, Fahim and Majeed, Sadia et al.}, title = {Foliar humic acid and salicylic acid application stimulates physiological responses and antioxidant systems to improve maize yield under water limitations}, journal = {JSFA reports}, year = {2023}, volume = {3}, number = {3}, }
local.export.bibtexAuthorAltaf, Adnan and Nawaz, Fahim and Majeed, Sadia et al.
local.export.bibtexKeyAltaf2023
local.export.bibtexType@article

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