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Kong J, Dong Y, Xu L, et al. Effects of foliar application of salicylic acid and nitric oxide in alleviating iron deficiency induced chlorosis of Arachis hypogaea L. Bot Stud. 2014;55(1):9doi: 10.1186/1999-3110-55-9.
Kong, J., Dong, Y., Xu, L., Liu, S., & Bai, X. (2014). Effects of foliar application of salicylic acid and nitric oxide in alleviating iron deficiency induced chlorosis of Arachis hypogaea L. Botanical studies, 55(1), 9. https://doi.org/10.1186/1999-3110-55-9
Kong, Jing, et al. "Effects of foliar application of salicylic acid and nitric oxide in alleviating iron deficiency induced chlorosis of Arachis hypogaea L." Botanical studies vol. 55,1 (2014): 9. doi: https://doi.org/10.1186/1999-3110-55-9
Kong J, Dong Y, Xu L, Liu S, Bai X. Effects of foliar application of salicylic acid and nitric oxide in alleviating iron deficiency induced chlorosis of Arachis hypogaea L. Bot Stud. 2014 Dec;55(1):9. doi: 10.1186/1999-3110-55-9. Epub 2014 Jan 20. PMID: 28510913; PMCID: PMC5432746.
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Bot Stud. 2014 Dec;55(1):9. doi: 10.1186/1999-3110-55-9. Epub 2014 Jan 20.

Effects of foliar application of salicylic acid and nitric oxide in alleviating iron deficiency induced chlorosis of Arachis hypogaea L.

Botanical studies

Jing Kong, Yuanjie Dong, Linlin Xu, Shuang Liu, Xiaoying Bai

Affiliations

  1. College of Resources and Environment, Shandong Agricultural University, Tai'an, 271018, China.
  2. College of Resources and Environment, Shandong Agricultural University, Tai'an, 271018, China. [email protected].

PMID: 28510913 PMCID: PMC5432746 DOI: 10.1186/1999-3110-55-9

Abstract

BACKGROUND: The aim of this experiment was to analyze the alleviation mechanism of exogenous salicylic acid (SA) and sodium nitroprusside (SNP, a nitric oxide donor) on peanut seedlings under Fe deficiency. The effects of SA and SNP on iron uptake and availability, ions balance and oxidant damage were studied with foliar application of exogenous 1.0 mM SA (SA) or 2.5 mM SNP (SNP) or 0.5 mM SA+1.25 mM SNP [1/2(SA+SNP)] or 1.0 mM SA+2.5 mM SNP (SA+SNP).

RESULTS: The results showed that after 21 days treatment, the peanut seedlings growing under iron deficiency conditions exhibited leaf interveinal chlorosis, and this iron-deficiency induced symptom was prevented by foliar application of SA, SNP, 1/2 (SA+SNP), especially SA+SNP. The increased contents of chlorophyll and active iron, and increased Fe accumulation in cell organelles were observed in SA+SNP treated young leaves, suggesting that an improvement of iron availability in plants. Moreover, the improved nutrient solution pH, increased H

CONCLUSIONS: These results indicated that the interaction of SA and SNP promoted Fe uptake, translocation and activation; modulated the balance of mineral elements; and protected Fe deficiency induced oxidative stress. Therefore, SA and SNP had synergistic effects in alleviating chlorosis induced by Fe deficiency.

Keywords: Active iron; Antioxidant enzymes; Arachis hypogaea L.; Mineral elements; SA; SNP

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