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Article

Variation of Agronomic Traits of Ravenna Grass and Its Potential as a Biomass Crop

USDA-ARS, Southern Plains Range Research Station, Woodward, OK 73801, USA
Agronomy 2018, 8(5), 70; https://doi.org/10.3390/agronomy8050070
Received: 11 April 2018 / Revised: 7 May 2018 / Accepted: 9 May 2018 / Published: 12 May 2018
(This article belongs to the Special Issue Forage and Bioenergy Crops)
Ravenna grass (Tripidium ravennae) is a tall robust bunchgrass with potential as an energy crop. The aim was to investigate the variation of agronomic traits of Ravenna grass. Univariate analyses of traits were conducted on 95 plants from 2013 to 2017. The traits were: biomass yield per plant; C, N, and ash concentrations; leaf and culm sap sucrose concentrations; percentage seed set, and the number of caryopses per panicle. In 2013, the biomass yield averaged 0.21 ± 0.09 kg per plant (mean ± the standard deviation). In 2014 to 2017, the yield averaged from 3.9 ± 0.8 kg per plant to 7.5 ± 1.8 kg per plant. Carbon concentration was generally higher than other energy crops, while N and ash concentrations were generally lower. Leaf sap sucrose ranged from 24.4 ± 4.6 g kg−1 in 2016 to 41.6 ± 7.6 g kg−1 in 2013. Culm sap sucrose varied from approximately 1.6 to 2.1 times that of leaf sap depending upon the harvest year. The percentage seed set varied between years ranging from 37.2 ± 12.4% to 56.6 ± 9.8%, and the mean number of caryopses per panicle varied from 4,770 ± 2,000 to 11,470 ± 3,075. View Full-Text
Keywords: Ravenna grass; Tripidium ravennae; Saccharum ravennae; Erianthus ravennae; biomass; sucrose concentration; seed set; caryopsis Ravenna grass; Tripidium ravennae; Saccharum ravennae; Erianthus ravennae; biomass; sucrose concentration; seed set; caryopsis
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MDPI and ACS Style

Springer, T.L. Variation of Agronomic Traits of Ravenna Grass and Its Potential as a Biomass Crop. Agronomy 2018, 8, 70. https://doi.org/10.3390/agronomy8050070

AMA Style

Springer TL. Variation of Agronomic Traits of Ravenna Grass and Its Potential as a Biomass Crop. Agronomy. 2018; 8(5):70. https://doi.org/10.3390/agronomy8050070

Chicago/Turabian Style

Springer, Tim L. 2018. "Variation of Agronomic Traits of Ravenna Grass and Its Potential as a Biomass Crop" Agronomy 8, no. 5: 70. https://doi.org/10.3390/agronomy8050070

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