Effects of salt stress on biomass and ash composition of switchgrass (<i>Panicum virgatum</i>)

Zhuo, Yue; Zhang, Yufen; GuangHui, Xie; Xiong, Shaojun

doi:10.1080/09064710.2015.1006670

Cited by 15 publications

(18 citation statements)

References 31 publications

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“…In general, perennial grasses can perform well under EC values below 10 dS m −1 and soil pH below 8.5. In North China, Zhuo et al (2015), in a greenhouse pot experiment of switchgrass cultivars (Cave-in-Rock, Blackwell, and Sunburst), reported that tolerance to salts varied among the cultivars and were in this order: Cave-in-Rock > Blackwell > Sunburst. All cultivars performed well at £2 g NaCl kg −1 , but yields decreased at higher salt concentrations.…”

Section: Acidic and Saline Soilsmentioning

confidence: 99%

Growing Dedicated Energy Crops on Marginal Lands and Ecosystem Services

Blanco‐Canqui

2016

Soil Science Soc of Amer J

128

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Marginal lands are candidates for growing dedicated energy crops such as perennial warm-season grasses (WSGs) and short-rotation woody crops (SrWCs), but actual field data on ecosystem services have not been widely discussed. This review (i) discusses potential marginal lands studied for energy crop production, (ii) considers the impacts of energy crops on ecosystem services, and (iii) underlines research needs. Some marginal or degraded lands studied for energy crops include highly erodible, flood-prone, compacted, saline, acid, contaminated, or sandy soils, reclaimed minesoils, urban marginal sites, and abandoned or degraded croplands. Field data are few but indicate that ecosystem services vary with the type of marginal land, management (i.e., fertilizer or amendment rates), and perennial species. M arginal lands are candidates for growing dedicated bioenergy crops, such as perennial WSGs and SRWCs, to reduce competition for land between energy and food production. Marginal lands can be defined as soils that have physical and chemical problems or are uncultivated or adversely affected by climatic conditions. The potential of marginal lands for growing WSGs and SRWCs as biofuel has received increased attention in recent years. Several questions remain, however, about which and how to grow dedicated energy crops on marginal lands, how dedicated energy crops will perform on different types of marginal lands, and whether these sites can produce abundant biomass while maintaining or improving ecosystem services.Many have used models to address the above questions and estimate the global and regional potential of marginal lands for cellulosic biomass production. These modeling studies have suggested that marginal lands offer a large potential for producing dedicated bioenergy crops while sequestering soil C, reducing net greenhouse gas emissions, and improving water quality (Davis et al., 2010;Gelfand et Humberto Blanco-Canqui* Core Ideas• Dedicated bioenergy crops can enhance ecosystem services in marginal lands.• Ecosystem services vary with the type of marginal land.• More field data are needed about the performance of energy crops on marginal lands.

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Section: Acidic and Saline Soilsmentioning

confidence: 99%

Growing Dedicated Energy Crops on Marginal Lands and Ecosystem Services

Blanco‐Canqui

2016

Soil Science Soc of Amer J

128

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“…For switchgrass (Panicum virgatum), reductions in aboveground and belowground biomass have been reported in response to salinity, but almost all the available information is based on germination and seedling studies [22]. There are, however, some long-term exposure studies with switchgrass that have highlighted high emergence rates and biomass production in both lowland and upland switchgrass types exposed to moderate to high salinity [23,24]. This suggests that switchgrass may be a good candidate for bioenergy production in marginal lands affected by salinity.…”

Section: Introductionmentioning

confidence: 99%

Interspecific Variations in the Growth, Water Relations and Photosynthetic Responses of Switchgrass Genotypes to Salinity Targets Salt Exclusion for Maximising Bioenergy Production

Cordero

Garmendia

2019

Agriculture

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The expansion in the cultivation of bioenergy crops to saline lands is of importance for ensuring food security as long as high productivity is maintained. The potential of switchgrass to grow under saline conditions was examined in three genotypes from a early seedling growth to full maturity at 50, 100, 200 and 300 mM of sodium chloride (NaCl). The carbon assimilation rates were generally lower and correlated to stomatal closure in plants exposed to salinity in all the tested genotypes. Based on the results of ion concentrations in different parts of the plant, switchgrass genotypes differed in their responses to NaCl. The Alamo genotype excluded salt from the roots, whereas Trailblazer and Kanlow accumulated it in the root, stem and leaf tissues. The increased leaf salt concentration was accompanied by a higher proline concentration in the 200 and 300 mM NaCl treatments toward the end of the experiment. Overall, Alamo showed the highest yields at all salinity levels, indicating that excluding salt from the roots may result in a better performance in terms of biomass production. The accumulation of salt observed in Kanlow and Trailblazer resulted in lower yields, even when other mechanisms, such as the production of salt glands, were observed, especially in Kanlow. These results suggest that the Alamo genotype has the ability to maintain high yields under saline conditions and that this characteristic could be further exploited for maximizing bioenergy production under saline conditions.

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“…The content of ash in plant raw material of Panicum virgatum L. varieties in seed ripening phase, % Biomass properties such as ash composition can affect energy conversion processes such as direct combustion (Zhuo et al, 2015). Investigations of ash content showed that this sign was in a range from 3.04% (Panicum virgatum f. RR) to 5.27 (Panicum virgatum f. SL-1) %.…”

Section: Tablementioning

confidence: 99%

The Biochemical Composition Of Plant Raw Material Of Panicum Virgatum L. Varieties

Vergun¹,

Rakhmetov²,

Fishchenko³

et al. 2017

Agrobiodiversity for Improving Nutrition, Health and Life Quality

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In article represented the results of a biochemical study of nine varieties and one cultivar of Panicum virgatum L. The investigations were carried out in the stage of seed ripening that is the most productive phase for these plants. Plant raw material collected and analyzed in the department of the Cultural flora of M.M. Gryshko National Botanical Garden of NAS of Ukraine. The determination of dry matter was conducted by drying to constant mass; total content of saccharides and monosaccharides -by Bertrand method in water extracts; ascorbic acid -by 2.6-dichlorophenol-indophenol titration of acid extracts; carotene -by spectrophotometric method in petrol extracts; ash -by combustion at 300-800 °C; calcium and phosphorus -by titrimetric method in acid solutions. It's found that level of dry matter was in a range from 41.96% (Panicum virgatum f. SL-1) to 65.28% (Panicum virgatum f. RB), total content of saccharidesfrom 3.11% (Panicum virgatum f. RB) to 8.69% (Panicum virgatum cv. Zoriane), monosaccharides -from 1.50% (Panicum virgatum f. RR) to 6.94% (Panicum virgatum f. DB), content of ash -from 3.04% (Panicum virgatum f. RR) to 5.27% (Panicum virgatum f. SL-1), calcium -from 0.353% (Panicum virgatum f. SL-2) to 0.987% (Panicum virgatum f. PP), phosphorus -from 0.065% (Panicum virgatum f. RB) to 0.110% (Panicum virgatum f. VP), ascorbic acid -from 11.80 mg% (Panicum virgatum f. RB) to 61.94 mg% (Panicum virgatum cv. Zoriane), carotene -from 0.05 mg% (Panicum virgatum f. RB) to 1.06 mg% (Panicum virgatum f. DB). Energetic value of plant raw material was in a range from 4,102.00 Kcal/ kg (Panicum virgatum f. DB) to 4,325.41 Kcal/kg (Panicum virgatum f. RB).

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Effects of salt stress on biomass and ash composition of switchgrass (Panicum virgatum)

Cited by 15 publications

References 31 publications

Growing Dedicated Energy Crops on Marginal Lands and Ecosystem Services

Growing Dedicated Energy Crops on Marginal Lands and Ecosystem Services

Interspecific Variations in the Growth, Water Relations and Photosynthetic Responses of Switchgrass Genotypes to Salinity Targets Salt Exclusion for Maximising Bioenergy Production

The Biochemical Composition Of Plant Raw Material Of Panicum Virgatum L. Varieties

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