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. 2012 May 25;7(5):e37573. doi: 10.1371/journal.pone.0037573

Table 2. Means ± standard deviations and range of values for six agronomic traits for 292 barley accessions in two growing seasons (2009/2010 and 2010/2011).

Trait Description Unit/scale 2009/2010* 2010/2011*
Range Mean Range Mean
FLA Flag leaf area cm2 7.2–91.4 42.1±13.7
LC Leaf color SPAD value 26.3–56.1 43.2±5.8 31.4–65.2 47.5±5.1
PH Plant height cm 11.0–79.5 51.1±16.9 44.0–115.5 77.3±12.6
SL Spike length cm 5.2–12.6 8.3±1.4 4.6–13.2 8.43±1.43
NGS Number of grains per spike No. of grains/spike 2.5–54.7 22.8±11.7 2.3–68.0 31.0±14.6
TGW Thousand grain weight g/1,000 grains 13.7–66.2 41.98±9.15 21.3–72. 42.5±9.9
*

Because 19 and 21 barley accessions did not head in 2009/2010 and 2010/2011 growing seasons, respectively, measurements of three yield related traits—spike length (SL in cm), number of grains per spike (NGS) and 1000-grain weight (TKW in g)—were conducted for only 273 and 271 barley accessions for the two seasons, respectively.