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Selection of energy cane clones

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      Abstract

      Abstract The objective of this study was to select a population of sugarcane clones to develop energy cane cultivars. The genotypic means of 124 clones were estimated for the yield-related traits: mean number of stalks per plant (NS), mean stalk weight (MSW), fiber content (FIB), lignin content (LIG), and sucrose content in cane juice (SPC). From these data, the traits tons of cane per hectare (TCH), tons of fiber per hectare (TFH) and tons of lignin per hectare (TLH) were estimated. The clone effects were statistically significant (p <0.01) for all traits except TLH and LIG. Clone UFV09251 had the highest genotypic values for TFH and TCH. Clone UFV09270 had a high fiber content (15.04%) and clone UFV09225 a high sucrose content (14.05%). The correlation between TFH and TCH was high (0.89). Clone UFV09251 is highly promising as energy cane cultivar, for producing most TCH and FIB.

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      Most cited references 28

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      Genética biométrica e estatística no melhoramento de plantas perenes

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        Sugarcane for bioenergy production: an assessment of yield and regulation of sucrose content.

        An increasing number of plant scientists, including breeders, agronomists, physiologists and molecular biologists, are working towards the development of new and improved energy crops. Research is increasingly focused on how to design crops specifically for bioenergy production and increased biomass generation for biofuel purposes. The most important biofuel to date is bioethanol produced from sugars (sucrose and starch). Second generation bioethanol is also being targeted for studies to allow the use of the cell wall (lignocellulose) as a source of carbon. If a crop is to be used for bioenergy production, the crop should be high yielding, fast growing, low lignin content and requiring relatively small energy inputs for its growth and harvest. Obtaining high yields in nonprime agricultural land is a key for energy crop development to allow sustainability and avoid competition with food production. Sugarcane is the most efficient bioenergy crop of tropical and subtropical regions, and biotechnological tools for the improvement of this crop are advancing rapidly. We focus this review on the studies of sugarcane genes associated with sucrose content, biomass and cell wall metabolism and the preliminary physiological characterization of cultivars that contrast for sugar and biomass yield.
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          Can Lignin Be Accurately Measured?

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            Author and article information

            Affiliations
            Concórdia Santa Catarina orgnameInstituto Federal Catarinense Brazil
            Curitiba Paraná orgnameUniversidade Federal do Paraná orgdiv1Departamento de Fitotecnia e Fitossanitarismo Brazil
            Viçosa Minas Gerais orgnameUniversidade Federal de Viçosa orgdiv1Departamento de Fitotecnia Brazil
            Minas Gerais orgnameUniversidade Federal de Viçosa orgdiv1Departamento de Química Brazil
            Contributors
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            Journal
            cbab
            Crop Breeding and Applied Biotechnology
            Crop Breed. Appl. Biotechnol.
            Crop Breeding and Applied Biotechnology (Viçosa, MG, Brazil )
            1518-7853
            1984-7033
            December 2017
            : 17
            : 4
            : 327-333
            S1984-70332017000400327
            10.1590/1984-70332017v17n4a50

            This work is licensed under a Creative Commons Attribution 4.0 International License.

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            Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 7
            Product
            Product Information: SciELO Brazil

            fiber, lignin, biomass., Saccharum spp.

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