Biomass production and allocation in rice with implications for straw harvesting and utilization

Summers, M.D.; Jenkins, Bryan M.; Hyde, P.R; Williams, Jack F.; Mutters, Randall; Scardacci, S.C.; Hair, M.W

doi:10.1016/s0961-9534(02)00132-0

Cited by 38 publications

(25 citation statements)

References 6 publications

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“…In field experiments, straw yield is usually expressed in values of biomass per hectare, which changes as the cereal grows (Summers et al, 2003) and depends on a variety of factors, i.e. mineral fertilisation (Jarosch et al, 2008) or application of growth regulators (Rajala and PeltonenSainio, 2001).…”

Section: Discussionmentioning

confidence: 99%

“…Winter cereals, as well as oat, were characterised by a higher mass of straw sections, compared to that of spring wheat and spring barley. Studies of Summers et al (2003) showed that the increase in the weight of cereal culm corresponds to the higher yield and lower stand density. However, the lack of understanding of the detailed distribution of biomass in the internodes prevents precise estimation of straw losses left in the field as stubble.…”

Section: Discussionmentioning

confidence: 99%

“…This situation relates mostly to farms where plant production is carried out (cereals) without livestock. In recent years, a majority of cereal straw has been used as both fuel and organic fertiliser (Gauder et al, 2011;Summers et al, 2003). To obtain a full environmental assessment of the production of biomass for energy purposes, assessment of the life cycle should be carried out (Krzyżaniak et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Accumulation of biomass and bioenergy in culms of cereals as a factor of straw cutting height

Zając¹,

Synowiec²,

Oleksy³

et al. 2017

International Agrophysics

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A b s t r a c t. Cereal straw is an important biomass source inEurope. This work assessed: 1) the morphological and energetic characteristics of culms of spring and winter cereals, 2) the energy deposited in the different aboveground parts of cereals, 3) losses of energy due to different cutting heights. The straw of winter and spring cereals was collected from arable fields during the seasons 2009/10 and 2010/11 in southern Poland. Detailed biometric measurements of culms and internodes were performed. The losses of straw biomass and energy were assessed during simulation of cutting the culm at different heights, up to 50 cm. Longer and heavier culms were developed by winter wheat and triticale and oat. Cutting of straw up to 10 cm did not lead to significant losses in straw yield. The total amount of energy in the culms was as follows: triticale > winter wheat > oat > spring wheat > winter barley > spring barley. Cutting the culms above 20 cm led to significant differences in terms of biomass energy between cereal species. The smallest losses of energy were recorded for spring and winter barley. Oat and barley accumulated the highest energy in grains.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Accumulation of biomass and bioenergy in culms of cereals as a factor of straw cutting height

Zając¹,

Synowiec²,

Oleksy³

et al. 2017

International Agrophysics

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“…over the years efforts have been made to use agricultural residues for production of microbial biomass. there have been several studies about production of microbial biomass from industrial and agricultural wastes such as yeast biomass from rice straw, rice bran (3,17,19) hydrolysate salad oil manufacturing wastewater (20), pineapple cannery effluent (15), cabbage (5), ram horn hydrolysate (12).…”

Section: Introductionmentioning

confidence: 99%

Production ofCandidaBiomass from Hydrolysed Agricultural Biowaste

Dimova

Iovkova

Brinkova

et al. 2010

Biotechnology & Biotechnological Equipment

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“…A composição química da bainha de uma planta de arroz é heterogênea e complexa e varia muito conforme a parte da planta analisada (Jin e Chen, 2006) e também conforme o cultivar (Summers et al, 2003). Para a maioria das espécies de plantas cultivadas, a concentração de lignina na parede celular e na lamela média pode variar de 10 dag kg -1 a 30 dag kg -1 (Hon e Shiraishi, 2001).…”

Section: Introductionunclassified

Efeito do silício nas concentrações de lignina e de açúcares em bainhas de folhas de arroz infectadas por Rhizoctonia solani

Schurt

Rodrigues

Colodette³

et al. 2013

Bragantia

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A queima das bainhas, causada pelo fungo Rhizoctonia solani Kühn, é uma das mais importantes doenças que afetam a produção de arroz no mundo. Este trabalho teve como objetivo verificar o efeito do silício (Si) nas concentrações de lignina solúvel e insolúvel e de açúcares totais em bainhas de folhas de arroz infectadas por R. solani. Plantas de arroz dos cultivares BR-Irga-409 e Labelle foram cultivadas em solução nutritiva sem (0 mM) ou com (2 mM) Si. A concentração de Si nas bainhas das folhas das plantas dos cultivares BR-Irga-409 e Labelle supridas com Si aumentou em 77% e 84%, respectivamente, em relação às plantas não supridas com Si. O comprimento relativo da lesão de queima das bainhas foi significativamente menor nas bainhas das plantas supridas com Si em relação às bainhas das plantas não supridas com esse elemento. Não houve efeito do Si e nem da inoculação com R. solani nas concentrações de mananas, galactanas, arabinanas, xilanas, glucanas e de açúcares totais nas bainhas das plantas dos dois cultivares. Para as plantas dos dois cultivares supridas com Si, a concentração de açúcares totais foi menor quando comparada com a dos dois cultivares na ausência de Si. Não houve variação na concentração de lignina insolúvel, solúvel e total entre os cultivares. As concentrações de lignina insolúvel e total foram maiores nas plantas supridas com Si, independentemente da inoculação com R. solani. Em conclusão, plantas de arroz supridas com Si foram mais resistentes à queima das bainhas devido a uma maior lignificação dos tecidos das bainhas e menor concentração de açúcares totais.Palavras-chave: escleródios, nutrição mineral, Oryza sativa L., patógeno de solo, queima das bainhas. Effect of silicon on lignin and sugar concentrations of leaf sheaths in rice plants infected by Rhizoctonia solaniAbstract Sheath blight, caused by the fungus Rhizoctonia solani Kühn, is the major disease affecting rice production worldwide. This study aimed to verify the effect of silicon (Si) on the concentrations of soluble and insoluble lignin and sugars in the leaf sheaths of rice plants infected by R. solani. Rice plants from cultivars BR-Irga-409 and Labelle were grown in nutrient solution without or with Si (2 mM). As compared to plants non-supplied with Si, the Si concentration in leaf sheaths in cultivars BR-Irga-409 and Labelle supplied with Si increased by 77% and 84%, respectively. The relative lesion length of sheath blight was significantly lower in plants supplied with Si compared to non-supplied plants. There was no effect of Si or inoculation with R. solani on the concentrations of mannans, galactans, arabinans, xylans, glucans and sugars in the sheaths of plants from both cultivars. There was no variation in the concentrations of insoluble, soluble and total lignin between the cultivars. The concentrations of total and insoluble lignin were higher on plants supplied with Si regardless of inoculation with R. solani. In conclusion, the rice plants supplied with Si were more resistant to sheath blight due to an increas...

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Biomass production and allocation in rice with implications for straw harvesting and utilization

Cited by 38 publications

References 6 publications

Accumulation of biomass and bioenergy in culms of cereals as a factor of straw cutting height

Accumulation of biomass and bioenergy in culms of cereals as a factor of straw cutting height

Production ofCandidaBiomass from Hydrolysed Agricultural Biowaste

Efeito do silício nas concentrações de lignina e de açúcares em bainhas de folhas de arroz infectadas por Rhizoctonia solani

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