Sweet Sorghum: A Smart Crop to Meet the Demands for Food, Fodder, Fuel and Feed

Basavaraj, G; P., Parthasarathy Rao; C., Ravinder Reddy; A., Ashok Kumar; S., Datta Mazumdar; Y., Ramana Reddy; P., Srinivasa Rao; S.M., Karuppan Chetty; Reddy, B V S

doi:10.1142/9789814596619_0007

Cited by 2 publications

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“…Sweet sorghum [Sorghum bicolor (L.) Moench], a variant of sorghum, has a rapid growth rate, high sugar content, and produces high amounts of biomass even when grown under environmental stresses such as salt and flooding. 1 Sweet sorghum is also considered an economically important crop because it can be used to produce biofuels such as ethanol, 2 in addition to being useful as feed for livestock. 1 The yields of most crops are severely reduced in saline environments; however, sweet sorghum can grow well even on barren saline soil, making this land suitable for the production of fuel and feed.…”

Section: Introductionmentioning

confidence: 99%

“…1 Sweet sorghum is also considered an economically important crop because it can be used to produce biofuels such as ethanol, 2 in addition to being useful as feed for livestock. 1 The yields of most crops are severely reduced in saline environments; however, sweet sorghum can grow well even on barren saline soil, making this land suitable for the production of fuel and feed. 3 Plants rely on transpirational pull to absorb water and mineral ions from the soil, 4 a process that is affected by various anatomical structures, growth conditions, and the age of the roots themselves.…”

Section: Introductionmentioning

confidence: 99%

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The developmental dynamics of the sweet sorghum root transcriptome elucidate the differentiation of apoplastic barriers

Wei

Yang

Han

et al. 2020

Plant Signaling & Behavior

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Apoplastic barriers in the endodermis, such as Casparian strips and suberin lamellae, control the passage of water and minerals into the stele. Apoplastic barriers are thus thought to contribute to salt exclusion in saltexcluding plants such as sweet sorghum (Sorghum bicolor). However, little is known about the genes involved in the development of the apoplastic barrier. Here, we identified candidate genes involved in Casparian strip and suberin lamella development in the roots of a sweet sorghum line (M-81E). Three distinct developmental regions (no differentiation, developing, and mature) were identified based on Casparian strip and suberin lamella staining in root cross sections. Sequencing of RNA extracted from these distinct sections identified key genes participating in the differentiation of the apoplastic barrier. The different sections were structurally distinct, presumably due to differences in gene expression. Genes controlling the phenylpropanoid pathway, fatty acid elongation, and fatty acid ω-hydroxylation appeared to be directly responsible for the formation of the apoplastic barrier. Our dataset elucidates the molecular processes underpinning apoplastic barrier development and provides a basis for future research on molecular mechanisms of apoplastic barrier formation and salt exclusion.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The developmental dynamics of the sweet sorghum root transcriptome elucidate the differentiation of apoplastic barriers

Wei

Yang

Han

et al. 2020

Plant Signaling & Behavior

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“…In addition to high biomass yields, sweet sorghum juice extracts have a high sugar (sucrose, fructose, and glucose) content from which ethanol or other hydrocarbons are readily produced. Sorghum bagasse is also a potential cellulosic biofuel feedstock, when ensilaged, may be processed as a feedblock or pellets for livestock (Basavaraj et al, 2012). The value and challenges of using sweet sorghum as a bioenergy feedstock are summarized by Zegada‐Lizarazu and Monti (2012).…”

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confidence: 99%

Nitrogen Rate and Variety Impact Diseases and Yield of Sorghum for Biofuel

Hagan¹,

Bowen²,

Pegues³

et al. 2014

Agronomy Journal

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Sorghum [Sorghum bicolor (L.) Moench] is a potential bioenergy feedstock, for which the disease threat is unknown. Impact of N rate on aboveground dry matter (ADM), total fermentable sugar concentration (°Bx), total fermentable sugar yield (TFSY), and diseases on sweet, forage, and silage/grain sorghum varieties was evaluated in 2009, 2010, and 2011 on rainfed sites in southwest Alabama. A factorial design arranged in a split plot with four replications of 22, 44, 88, and 132 kg ha -1 N as the main plot and variety as subplots was used. Dale and M81-E sweet sorghum were grown in all years, SS405 forage and NK300 silage/grain sorghum replaced Sugar Drip sweet and SS1515 silage/grain sorghum in 2010 and 2011, respectively. No significant N rate or N rate × variety interaction for any variable was noted. Variety impacted plant population, ADM, TFSY, and °Bx. Mean ADM and TFSY peaked at 32.0 Mg ha -1 for M81-E and 3.78 Mg ha -1 for Dale. Despite a lower ADM than M81-E, Dale had higher °Bx and TFSY. Sugar Drip, SS1515, and NK300 had low biomass and sugar yields. Anthracnose, rough leaf spot, and zonate leaf spot severity differed by variety. Severe anthracnose occurred on SS405 and less so on M81E, while the remaining varieties suffered limited rough leaf spot and/or zonate leaf spot damage. As potential bioenergy feedstocks for the Southeast, Dale and M-81E had comparable ADM along with higher TFSY and °Bx with restricted disease, while anthracnose poses a significant roadblock to forage sorghum feedstock utilization.

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Sweet Sorghum: A Smart Crop to Meet the Demands for Food, Fodder, Fuel and Feed

Cited by 2 publications

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The developmental dynamics of the sweet sorghum root transcriptome elucidate the differentiation of apoplastic barriers

The developmental dynamics of the sweet sorghum root transcriptome elucidate the differentiation of apoplastic barriers

Nitrogen Rate and Variety Impact Diseases and Yield of Sorghum for Biofuel

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