Effects of lignin, cellulose, hemicellulose, sucrose and monosaccharide carbohydrates on soybean physical stem strength and yield in intercropping

Hussain, Sajad; Liu, Ting; Iqbal, Nasır; Brestič, Marián; Pang, Tao; Mumtaz, Maryam; Shafiq, Iram; Li, Shuxian; Wang, Li; Gao, Yang; Khan, Aaqil; Ahmad, Irshan; Allakhverdiev, Suleyman I.; Liu, Weiguo; Yang, Wenyu

doi:10.1039/c9pp00369j

Cited by 54 publications

(43 citation statements)

References 31 publications

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“…Increasing the severity of drought stress resulted in a reduction of biomass production in both soybean cultivars which is also supported by earlier research (Du et al 2020). The plant height decreased under drought conditions whereas shade led to a slender stem and increased plant height with the increase being greater in C103 in comparison to N12 which shows that the tolerant variety exhibited less shade avoidance and was not prone to lodging (Wu et al 2017, Hussain et al 2020b.…”

Section: Discussionsupporting

confidence: 72%

Effect of simultaneous shade and drought stress on morphology, leaf gas exchange, and yield parameters of different soybean cultivars

Shafiq¹,

Hussain²,

Hassan³

et al. 2020

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An interactive effect of simultaneous shade and drought stress on drought-tolerant and drought-sensitive cultivars of soybean was studied. As drought stress intensified, the net photosynthetic rate decreased in both cultivars due to reduced leaf area, relative water content, transpiration rate, stomatal conductance, chlorophyll content, and Rubisco activity which ultimately led to yield reduction. Moreover, the chlorophyll fluorescence parameters also decreased. Interestingly, a moderate shade was found helpful in alleviating the adverse effects of drought stress, specifically in resistant cultivar N12 where seed yield improved significantly under moderate drought conditions in contrast to the cultivar C103. In summary, the effect of drought stress on soybean depended on the irradiance conditions and shade could enhance soybean drought resistance, although this resistance was cultivar dependent. With appropriate cultivar selection, a moderate shade can help optimize yield and improve the performance of drought-exposed soybean.

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Section: Discussionsupporting

confidence: 72%

Effect of simultaneous shade and drought stress on morphology, leaf gas exchange, and yield parameters of different soybean cultivars

Shafiq¹,

Hussain²,

Hassan³

et al. 2020

Photosynt.

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“…The plant height was measured with a metric ruler. The lodging resistance index was measured by the following formula [22], Lodging resistance index = Stem bending force ÷ (main stem length × above ground biomass fresh weight).…”

Section: Stem Strength and Lodging Resistance Indexmentioning

confidence: 99%

“…Lodging mostly occurred in the internodes of soybean stem; therefore, the pros and cons of stem base traits were closely related to the lodging resistance of the plant [18][19][20]. An important indicator for measuring the degree of lodging resistance of soybean stems was the stem lodging resistance index associated with stem base resistance, stem thickness, and above ground fresh and dry biomass [16,21,22]. In maize-soybean relay intercropping, shading of maize increased the plant height and reduced the stem diameter of soybean [23].…”

Section: Introductionmentioning

confidence: 99%

Effects of Multiple Planting Densities on Lignin Metabolism and Lodging Resistance of the Strip Intercropped Soybean Stem

et al. 2020

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The shading of maize and self-shading are the key factors affecting the stem lignin biosynthesis and lodging resistance of soybean at middle and later growth stages in the strip intercropping system. A study was designed to explore the regulation mechanism of lignin metabolism and different planting densities; PD1, PD2, and PD3 were used having a total number of 17 plants m−2, 20 plants m−2, and 25 plants m−2, respectively, on the lodging resistance of strip intercropped soybean stem. Our results depicted that the lower planting density (PD1) appropriately promoted the leaf photosynthesis activities (Pn), increase the activity of lignin-related enzymes and the accumulation of carbohydrates in stems, and eventually enhanced the lodging resistance of the strip intercropped soybean stem. Correlation analysis also showed that the lodging resistance index of soybean stem was significantly correlated with the available light for soybean canopy and Pn strip intercropped soybean stem characteristics and activities of enzymes related to lignin synthesis among the different planting densities. The findings of our research will be useful in future studies to understand the relationship between different light environment, planting densities, and lodging resistance of intercropped soybean and also guide the optimum planting density in maize–soybean intercropping system.

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“…Hussain et al [32] analysed morphological properties along with carbohydrate accretion in the stem of various soybean genotypes under variable light atmosphere. In addition, the stem resistance of genotypes varies with variable planting patterns [33].…”

Section: Introductionmentioning

confidence: 99%

Characterization on Physical, Mechanical, and Morphological Properties of Indian Wheat Crop

et al. 2020

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The absence of scalable and economically viable alternatives for managing residues coupled with shorter planting window and growing labour shortages and energy prices requires a sustainable solution for the crop residue management in northern India. As per “Need of the Hour”, the present research work focused on physical, mechanical, and morphological characterizations of wheat, which will help in further design of the low-cost straw combine. For this purpose, two varieties of wheat (HD-2967 and WH-1105) were used for the present study, as these are the prevalent varieties of Haryana state. The straw specimens were collected at harvesting period from a farmer’s field, which is located at a longitude of 75.64 and latitude of 29.15. The physical characterization of the crops was conducted on the basis of diameter, length, and thickness of nodes of straws. In contrast, the mechanical characterizations was performed by calculating the tensile and shear strength of the straws. The morphological analysis was performed by using field emission scanning electron microscopy (FESEM). The energy dispersive spectroscopy was performed to analyse the presence of constituting elements of straw. The statistical analysis showed that moisture content in the straw had a significant effect on tensile strength and shear strength.

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Effects of lignin, cellulose, hemicellulose, sucrose and monosaccharide carbohydrates on soybean physical stem strength and yield in intercropping

Abstract: To the best of our knowledge, for the first time our research examines a role of secondary cell wall components in lodging resistance and their interaction with yield under intercropping.

Cited by 54 publications

References 31 publications

Effect of simultaneous shade and drought stress on morphology, leaf gas exchange, and yield parameters of different soybean cultivars

Effect of simultaneous shade and drought stress on morphology, leaf gas exchange, and yield parameters of different soybean cultivars

Effects of Multiple Planting Densities on Lignin Metabolism and Lodging Resistance of the Strip Intercropped Soybean Stem

Characterization on Physical, Mechanical, and Morphological Properties of Indian Wheat Crop

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