《Table 2 Average quality index of samples from different areas》

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《Analysis and Evaluation of Grain Quality in Main Wheat Production Areas of Anhui Province》

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In 2015，the range of volume weight of samples for testing was 721-842 g/L with an average of 796 g/L.39 samples with volume weight above first grade（≥790 g/L）accounted for 62.9%of the total samples；16 samples with volume weight above second grade（≥770 g/L-﹤790 g/L）accounted for 25.8%of the total samples；three samples with volume weight above third grade（≥750 g/L-﹤770 g/L）accounted for 4.8%of the total samples；four samples with volume weight of the fourth grade and below accounted for 6.5%of the total samples.The hardness index ranged from 9.7 to 73.5 with an average of 49.2.The hardness index reached the standard of hard wheat（hardness index≥60）in 26 samples，accounting for 41.9%of the total samples；the hardness index reached the standard of mixed wheat（hardness index=40-60）in 14 samples；the hardness index reached the standard of soft wheat（hardness index<40）in 22samples.The variation range of unsound kernel rate was 0.6%-21.3%，with an average of 6.3.There were 38 samples with the unsound kernel rate of≤6.0%，accounting for 61.3%of the total samples；there were 7 samples with the unsound kernel rate of≥10.0%，accounting for 11.3%of the total samples.The variation range of 1 000-grain weight was 31.8-51.2 g with an average of 41.6 g.The moisture content of grains varied from 10.7%to 13.0%，with an average of 11.8%（Table 1）.