Variation, across environments within the UK, in grain protein and grain hardness, in wheat varieties of differing distilling quality

Suitability of some selected maize hybrids from Serbia for the production of bioethanol and dried distillers' grains with solubles

“…It is possible that maximum cellulose content and considerable amount of hard endosperm (Table ) seem to have influenced relatively low bioethanol yield. Recent studies conducted on different wheat varieties by Agu et al and Swanson et al showed a negative relationship between alcohol yield and wheat grain hardness and a strong positive correlation between mean grain hardness and protein content across the examined wheat varieties.…”

Stability, across environments, of grain and alcohol yield, in soft wheat varieties grown for grain distilling or bioethanol production

“…Grain yield is measured routinely in field trials and the advent of NIR systems that can be applied to grain, without the need for sample preparation permits rapid collection of data on compositional and performance traits. Swanston et al showed that NIR data from wide‐ranging environments could be used to assess stability across sites for grain protein and grain hardness in wheat and, in this paper, a similar approach has been used for alcohol yield. Thus, in addition to identifying varieties with the highest genetic potential for this trait, it is also possible to determine those which will deliver a consistent performance across a range of sites and seasons.…”

“…Estimates of stability across environments were made by plotting mean grain and alcohol yields for each variety, in each environment, against the mean values for the respective parameters in all 12 varieties, i.e. the environment mean . This followed the approach of Finlay and Wilkinson, except that a logarithmic scale was not applied …”

“…17 This followed the approach of Finlay and Wilkinson, 22 except that a logarithmic scale was not applied. 17,23 Alcohol production (i.e. the alcohol yield from a given area, rather than a given tonnage) can be calculated by combining the grain and alcohol yield data.…”

Grain quality and N uptake of spring cereals as affected by nitrogen fertilization in northern conditions: a meta-analysis

“…This is in accordance with the study by Pettersson and Eckersten (2007), who reported that under northern conditions grain protein content was not correlated with soil pH, SOM or soil mineral N. Also our results suggest that protein response to N fertilizer did not differ among the varieties, since there was no obvious decade effect. Likewise, no significant variety × N rate interaction was recently found for the protein content of wheat (Swanston et al 2012).…”