Harvest index and straw yield of five classes of wheat

Jing Dai, Brent Bean, Bradford Brown, William Bruening, Jeff Edwards, Michael Flowers, Russell Karow, Chad Lee, Gaylon Morgan, Michael J Ottman, Joel Ransom, Jochum Wiersma

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Wheat straw is a potential cellulosic feedstock for bioethanol. This study was conducted to evaluate straw yield potential and its relationship with grain yield for wheat (Triticum spp.) grown in the United States. The specific objective was to determine if differences in straw yield and harvest index (HI) exist between and within regions and/or wheat classes. Using on-going variety performance trials in eight states, a total of 255 varietal trial entriess from five classes of wheat were surveyed for above-ground biomass. Averaged over all wheat classes and regions the HI was 0.45. Soft red winter wheat in Kentucky had, on average, the highest HI and lowest straw yield among regions and wheat classes. Soft white winter wheat under irrigation in the Pacific Northwest produced the highest straw yield. Hard red winter wheat in the southern plain states of Texas and Oklahoma had, on average, the lowest HI. Differences in the amount of precipitation and cultivars were the major contributors to the variation detected within wheat classes. The amount of wheat straw available as cellulosic feedstock in a state or wheat class can be estimated using the grain yield estimates provided by the National Agricultural Statistics Service and the class specific HI.

Original languageEnglish (US)
Pages (from-to)223-227
Number of pages5
JournalBiomass and Bioenergy
Volume85
DOIs
StatePublished - Feb 1 2016

Fingerprint

wheat classes
Straw
harvest index
straw
wheat
wheat straw
feedstocks
Feedstocks
grain yield
soft white wheat
soft red winter wheat
hard red winter wheat
bioethanol
Bioethanol
Triticum
Irrigation
aboveground biomass
winter wheat
index
harvest

Keywords

  • Biomass
  • Harvest index
  • Straw yield
  • Wheat

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Forestry
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Dai, J., Bean, B., Brown, B., Bruening, W., Edwards, J., Flowers, M., ... Wiersma, J. (2016). Harvest index and straw yield of five classes of wheat. Biomass and Bioenergy, 85, 223-227. https://doi.org/10.1016/j.biombioe.2015.12.023

Harvest index and straw yield of five classes of wheat. / Dai, Jing; Bean, Brent; Brown, Bradford; Bruening, William; Edwards, Jeff; Flowers, Michael; Karow, Russell; Lee, Chad; Morgan, Gaylon; Ottman, Michael J; Ransom, Joel; Wiersma, Jochum.

In: Biomass and Bioenergy, Vol. 85, 01.02.2016, p. 223-227.

Research output: Contribution to journalArticle

Dai, J, Bean, B, Brown, B, Bruening, W, Edwards, J, Flowers, M, Karow, R, Lee, C, Morgan, G, Ottman, MJ, Ransom, J & Wiersma, J 2016, 'Harvest index and straw yield of five classes of wheat', Biomass and Bioenergy, vol. 85, pp. 223-227. https://doi.org/10.1016/j.biombioe.2015.12.023
Dai J, Bean B, Brown B, Bruening W, Edwards J, Flowers M et al. Harvest index and straw yield of five classes of wheat. Biomass and Bioenergy. 2016 Feb 1;85:223-227. https://doi.org/10.1016/j.biombioe.2015.12.023
Dai, Jing ; Bean, Brent ; Brown, Bradford ; Bruening, William ; Edwards, Jeff ; Flowers, Michael ; Karow, Russell ; Lee, Chad ; Morgan, Gaylon ; Ottman, Michael J ; Ransom, Joel ; Wiersma, Jochum. / Harvest index and straw yield of five classes of wheat. In: Biomass and Bioenergy. 2016 ; Vol. 85. pp. 223-227.
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