Biochar alleviated the salt stress of induced saline paddy soil and improved the biochemical characteristics of rice seedlings differing in salt tolerance

Zhang, Junhua; Bai, Zhigang; Huang, Jie; Hussain, Sajid; Zhao, Futao; C, Zhu; Zhu, Li; Cao, Xiaochuang; Jin, Qing

doi:10.1016/j.still.2019.104372

Cited by 58 publications

(41 citation statements)

References 22 publications

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“…High salinity in the present study alleviates growth, morphological traits, and biomass attributes of soybean, which are in line with the previous studies for Triticum aestivum in [ 60 ], Solanum Lycopersicum L. in [ 61 ], Glycine max L. in [ 62 ], Oryza sativa in [ 63 ], and Capsicum annuum in [ 64 ]. On the other hand, application of chitosan modified biochar (CMB) to salt-stressed soybean plants significantly enhanced plant growth in comparison to non-amended plants, and these findings are consistent with [ 65 ]. For example, the authors of [ 3 ] used modified biochar in pepper plants under saline conditions and identified that the modified biochar significantly improved the plant growth and productivity.…”

Section: Discussionsupporting

confidence: 81%

Chitosan Modified Biochar Increases Soybean (Glycine max L.) Resistance to Salt-Stress by Augmenting Root Morphology, Antioxidant Defense Mechanisms and the Expression of Stress-Responsive Genes

Mehmood

Ahmed

Ikram

et al. 2020

Plants

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Soybean is an important oilseed crop that provides high-quality protein and vegetable oil. Salinity constitutes a negative abiotic factor that reduces soybean plant growth, production, and quality. The adsorption of Na+ by chitosan-modified biochar (CMB) has a significant effect on salinity but the application of CMB is limited in soybean. In the current study, CMB was used for characterization of physiological, biochemical, and molecular responses of soybean under salt stress. Comparison of CMB and unmodified (as-is) biochar (BR) demonstrated a significant difference between them shown by using Fourier transform infrared spectroscopy (FTIR), scan electron microscopy (SEM), Brunauer–Emmett–Teller (BET), elemental analysis and z-potential measurement. Pseudo-first and second-order better suited for the analysis of Na+ adsorption kinetics. The salt-stress reduced the soybean plants growth, root architecture characteristics, biomass yield, nutrients acquisition, chlorophyll contents, soluble protein, and sugar contents, while CMB with salt-stress significantly increased the above parameters. Moreover, CMB also reduced the salinity-induced increase in the Na+, glycine betaine (GB), proline, hydrogen peroxide (H2O2), and malondialdehyde (MDA) levels in plants. The antioxidant activity and gene expression levels triggered by salinity but with the application of CMB significantly further boosted the expression profile of four genes (CAT, APX, POD and SOD) encoding antioxidant enzyme and two salt-tolerant conferring genes (GmSALT3 and CHS). Overall, these findings demonstrate the crucial role of CMB in minimizing the adverse effects of high salinity on soybean growth and efficiency of the mechanisms enabling plant protection from salinity through a shift of the architecture of the root system and enhancing the antioxidant defense systems and stress-responsive genes for achieving sustainable crop production.

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Section: Discussionsupporting

confidence: 81%

Chitosan Modified Biochar Increases Soybean (Glycine max L.) Resistance to Salt-Stress by Augmenting Root Morphology, Antioxidant Defense Mechanisms and the Expression of Stress-Responsive Genes

Mehmood

Ahmed

Ikram

et al. 2020

Plants

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“…Similarly, rice straw-derived BC (600°C) alleviated salt stress in paddy soil. There was a significant reduction in bulk density, electrical conductivity, exchangeable Na, and exchangeable chlorine ions in the soil, creating favorable conditions for rice seedling growth [195]. A selection of recent reports in which BC addition was reported to alleviate salt stress are summarized in Table 4.…”

Section: Saltmentioning

confidence: 99%

Biochar - A Panacea for Agriculture or Just Carbon?

Tenic¹,

Ghogare‬²,

Dhingra³

2020

Preprint

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The sustainable production of food faces formidable challenges. Foremost is the availability of arable soils, which have been ravaged by the overuse of fertilizers and detrimental soil management techniques. As such, maintenance of soil quality, and reclamation of marginal soils, has become an increasingly important endeavor. Recently, there has been emerging interest in the use of biochar, a carbon rich, porous material thought to improve various aspects of soil performance. Biochar (BC) is produced through the thermochemical decomposition of organic matter at high temperature in an oxygen limited environment, in a process known as pyrolysis. Importantly, the source of organic material, or ‘feedstock,’ used in this process and different parameters of pyrolysis, especially temperature, determine the chemical and physical properties of biochar. Incorporation of BC impacts soil-water relations, tilth and nutrient status, pH, soil organic matter (SOM), and microbial activity. Soil amendment with BC has been shown to have an overall positive impact on soil health and crop productivity; however, initial soil properties need to be considered prior to the application of BC. There is an urgent need to understand the effects of long-term field application of BC and how it influences the soil microcosm. This knowledge will facilitate predictable enhancement of crop productivity and meaningful carbon sequestration.

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“…Many studies have suggested that salt stress had various adverse effects on plants growth and development. Zhang et al (2019) reported that salt stress could dramatically not only decrease the emergence rate of rice, but also inhibit the plant biomass and delay the growth process of rice seedlings. Wani et al (2013) suggested that the length, fresh and dry mass of the shoot and root of crops showed a marked decrease on being subjected to different levels of NaCl applied through soil, and the damage increased with increasing concentration.…”

Section: Introductionmentioning

confidence: 99%

“…Siddiqui et al (2010) suggested fresh weight and dry weight of plants were significantly higher with the application nitrogen under NaCl treatment. Rice is a salt stress-sensitive crop, the total Na and Cl content in the rice seedlings were dramatically increased with increasing salt stress (Zhang et al, 2019). However, the accumulation of Na + and Cl − could result in hyper ionic, hyperosmotic and oxidative stress, affecting germination, plant growth and reproductive development, ultimately caused the death of the plant (Tripathi et al, 2017;Yang and Guo, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Besides, exogenous application of other matters to alleviate salt stress is feasible. Zhang et al (2019) reported that application of biochar into soil could significantly improve the physicochemical properties of the soil under salt stress and greatly decrease exchangeable Na + and Cl − contents in the soil, proving a better soil environment for rice seedlings under salt stress. Additionally, the application of nitrogen and silicon could alleviate the adverse effects of salt stress and adjust the plants to perform normally by detoxifying the ROS (Siddiqui et al, 2010;Torabi et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Hydrogen rich water (HRW) induces plant growth and physiological attributes in fragrant rice varieties under salt stress

Fu¹,

Ma²,

Gui³

et al. 2020

Preprint

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Hydrogen is an important molecule, exerting antioxidant ability in plants and animals through antioxidant enzymes, which can be dissolved in water. Previous studies have showed that application of hydrogen rich water (HRW), containing a high concentration of hydrogen, plays an important role in enhancing drought tolerance and alleviating the metal stress in plants. However, the effects of HRW on plant growth and physiological attributes in fragrant rice varieties under salt stress are still unclear. A pot experiment was conducted with two fragrant rice varieties i.e. Yuxiangyouzhan and Xiangyaxiangzhan to study the effects of HRW treatments i.e. foliar application of HRW (F-HRW) and irrigation application of HRW (I-HRW) on plant growth and physiological attributes under two NaCl levels (0 mmol L -1 and 150 mmol L -1 ). The results depicte d that, compared with without HRW treatment (CK), the F-HRW and I-HRW treatments significantly increased the dry weight per unit seedling height by 12.64% and 22.99%, while decreased the plant height by 3.92% and 2.97% respectively of two fragrant rice varieties under salt stress. Moreover, compared with CK treatment, the activities of peroxidase (POD), superoxide dismutase (SOD) and catalase (CAT) were enhanced by F-HRW and I-HRW treatments in NaCl-stressed fragrant rice cultivars and opposite results were observed for MDA content. In crux, our findings conclude that application of HRW modulates the plant growth and physiological attributes in salt-stressed fragrant rice cultivars.

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Biochar alleviated the salt stress of induced saline paddy soil and improved the biochemical characteristics of rice seedlings differing in salt tolerance

Cited by 58 publications

References 22 publications

Chitosan Modified Biochar Increases Soybean (Glycine max L.) Resistance to Salt-Stress by Augmenting Root Morphology, Antioxidant Defense Mechanisms and the Expression of Stress-Responsive Genes

Chitosan Modified Biochar Increases Soybean (Glycine max L.) Resistance to Salt-Stress by Augmenting Root Morphology, Antioxidant Defense Mechanisms and the Expression of Stress-Responsive Genes

Biochar - A Panacea for Agriculture or Just Carbon?

Hydrogen rich water (HRW) induces plant growth and physiological attributes in fragrant rice varieties under salt stress

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