Enhancement of Lodging Resistance and Lignin Content by Application of Organic Carbon and Silicon Fertilization in Brassica napus L.

Hu, Yue; Javed, Hafiz Hassan; Asghar, Muhammad Ahsan; Peng, Xiao; Brestič, Marián; Skalický, Milan; Ghafoor, A.; Cheema, Hafsa Nazir; Zhang, Fang-Fang; Wu, Yongcheng

doi:10.3389/fpls.2022.807048

Cited by 13 publications

(11 citation statements)

References 63 publications

(70 reference statements)

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“…This might be associated with the fact that SOSSiF increases the thickness of culm wall thickness and the diameter of vascular bundle, thereby reducing the lodging index of rice. Consistent with our results, the synergistic treatment of silicon with organic carbon or beneficial elements is conducive to improving the lodging resistance of crops [21].…”

Section: Discussionsupporting

confidence: 91%

“…The results of Figure 8 show that the application of SOSSiF fertilizer can significantly increase the contents of lignin, suggesting that SOSSiF might induce upregulated expression of lignin synthesis genes, elevating stem lignin content, and improving the mechanical strength and lodging resistance of rice plants. Similar results were also reported in Brassica napus L. [21]. In addition, an increase of soluble sugar content might enhance the material fullness of the stem and the thickness of siliceous layer on the stem epidermis, thus improving culm mechanical strength and the lodging resistance [26].…”

Section: Discussionsupporting

confidence: 76%

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Seaweed Oligosaccharide Synergistic Silicate Improves the Resistance of Rice Plants to Lodging Stress under High Nitrogen Level

Liu

Ouyang

et al. 2022

Agronomy

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The objective of this study was to determine the effect of seaweed oligosaccharide synergistic silicate (Si) fertilizer (SOSSiF) on rice resistance to lodging stress. The results showed that a spraying SOSSiF decreased apparent lodging index and enhanced rice yield significantly under a high N level. The spraying test indicated that the apparent lodging rate of rice was the lowest when SOSSiF was sprayed for four times, and the dosage was 45 kg/ha each time. Morphological and anatomical analysis indicated that SOSSiF decreased plant height and the lower internode length of ZCSM and increased culm cross-sectional area and wall thickness of JNSM significantly compared with the control. Furthermore, SOSSiF enhanced bending strength of rice culm by 38.8% to 63.6%, and reduced lodging index by 36.8% to 42.6%. Chemical component analysis found that SOSSiF elevated the contents of soluble sugar, cellulose, Si, and lignin in the culms of ZCSM and JNSM. Correlation analysis revealed that the lodging index was positively correlated with the length of the lower internode, and was negatively correlated with culm bending strength and culm thickness. The above results suggested that spraying SOSSiF elevates culm contents of Si and lignin and enhances bending strength, thus improving rice lodging resistance and production.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionsupporting

confidence: 76%

Seaweed Oligosaccharide Synergistic Silicate Improves the Resistance of Rice Plants to Lodging Stress under High Nitrogen Level

Liu

Ouyang

et al. 2022

Agronomy

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“…Exogenous sprays of silicon, calcium, the calcium ion chelator EGTA, and melatonin affected the mechanical strength of herbaceous peony stems by influencing the secondary cell wall thickness, lignin content, and gene expression of lignin monomer synthesis pathways and deposition, such as PAL , C4H , 4CL , CCR , CAD , CSE , POD , COMT , and CCoAOMT ( Zhao et al, 2013 ; Tang et al., 2019 ; Zhao et al, 2019 ; Zhao et al., 2021 ; Zhao et al., 2022 ). Similar findings have been found in studies of maize, oilseed rape, gerbera cut flower and other plants ( Alikhani et al, 2021 ; Hu et al, 2022 ; Liu et al, 2022 ). However, it has also been argued that the cellulose content is associated with straightness.…”

Section: Introductionsupporting

confidence: 89%

Effect of the pectin contents and nanostructure on the stem straightness of two Paeonia lactiflora cultivars

Huang

Ren

Wan

et al. 2023

PeerJ

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Herbaceous peony (Paeonia lactiflora Pall.) is an ancient ornamental crop and, in recent decades, an emerging popular cut flower. Straight stems are a vital criterion for cut herbaceous peony selection, while many cultivars bend as the plant develops. Pectin helps maintain the mechanical strength of the cell wall. However, little is known about its role in the stem bending of herbaceous peony. Two herbaceous peony cultivars with contrasting stem morphologies (‘Dong Fang Shao Nv’, upright; ‘Lan Tian Piao Xiang’, bending gradually) at five developmental stages were used as materials to investigate the effects of pectin content and nanostructure on straightness using the carbazole colorimetric method and atomic force microscopy observations. The contents of water-soluble pectin (WSP), CDTA-soluble pectin (CSP), and sodium carbonate-soluble pectin (SSP) differed significantly between the two cultivars, and the contents and angle of the flower and branch showed correlations. For the pectin nanostructure, WSP showed agglomerates and long chains, with a higher proportion of broad agglomerates at the later stages of the bending cultivar than the upright cultivar. CSP showed branched chains, and the proportion of broad chains was higher in the upright cultivar at later stages, while CSP shape changed from agglomerates to chains in the bending cultivar. SSP mainly consisted of short linear main chains, and side chains in the upright stem were stacked, and the bent cultivar had more broad and short chains. It can be concluded that the contents, nanometric shape, and size of the three kinds of pectin are highly likely to affect herbaceous peony stem straightness. This study provides a theoretical basis for the role of pectin in the production and breeding of herbaceous peony cut flowers.

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“…It is indicated that Si cannot engage in as many chemical bonds with as C, and it forms mostly silicates and SiO 2 polymers 57 , and, in addition, some studies indicates that Si per se does not promote plant growth, function or metabolic activity in plants under no stress conditions 58 . In addition, Hu et al 59 verified that Si can increase carbon content in canola plants. Nonetheless, some recent studies show that Si has physiological benefits and can modifies the stoichiometry C:N:P in plants under no stress conditions, such as sugarcane 18 , 20 , in quinoa 29 and grassland 28 .…”

Section: Discussionmentioning

confidence: 99%

Silicon modifies C:N:P stoichiometry and improves the physiological efficiency and dry matter mass production of sorghum grown under nutritional sufficiency

Carvalho

Frazão

Prado

et al. 2022

Sci Rep

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Silicon (Si) may be involved in the modification of C:N:P stoichiometry and in physiological processes, increasing sorghum growth and grain production. The objective was to evaluate the effect of Si supply on C:N:P:Si stoichiometry, physiological response, growth, and grain production of sorghum. The experiment was carried out in pots with four concentrations of Si: 0; 1.2; 2.4; and 3.6 mmol L−1 in a completely randomized design, with six replicates. Physiological attributes and dark green color index were measured and grain and biomass production were determined. Posteriorly, the plant material was ground to determine silicon (Si), carbon (C), nitrogen (N), and phosphorus (P) contents in order to analyze C:N:P:Si stoichiometry. C:Si and C:N ratios decreased at all Si concentrations applied (1.2, 2.4, and 3.6 mmol L−1) and in all plant parts studied, being lower at 3.6 mmol L−1. The lowest C:P ratios of leaves and roots were observed at 3.6 mmol L−1 Si and the lowest C:P ratio of stems was observed at 1.2 mmol L−1 Si. Si concentrations were not significant for the N:P ratio of leaves. The highest N:P ratio of stems was observed at 3.6 mmol L−1, while the lowest N:P ratio of roots was observed at 2.4 and 3.6 mmol L−1. Regardless of photosynthetic parameters, the application of 1.2 mmol L−1 Si enhanced photosynthetic rate. The application of 2.4 and 3.6 mmol L−1 enhanced stomatal conductance and dark green color index. The mass of 1000 grains was not influenced by Si applications, while Si applications at all concentrations studied (1.2, 2.4, and 3.6 mmol L−1) enhanced shoot and total dry matter, not affecting root dry matter and grain production. In conclusion, Si supply modifies C:N:P:Si stoichiometry and increases physiologic parameters, growth, development, and grain production in sorghum.

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Enhancement of Lodging Resistance and Lignin Content by Application of Organic Carbon and Silicon Fertilization in Brassica napus L.

Cited by 13 publications

References 63 publications

Seaweed Oligosaccharide Synergistic Silicate Improves the Resistance of Rice Plants to Lodging Stress under High Nitrogen Level

Seaweed Oligosaccharide Synergistic Silicate Improves the Resistance of Rice Plants to Lodging Stress under High Nitrogen Level

Effect of the pectin contents and nanostructure on the stem straightness of two Paeonia lactiflora cultivars

Silicon modifies C:N:P stoichiometry and improves the physiological efficiency and dry matter mass production of sorghum grown under nutritional sufficiency

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