Status quo and problem of winter wheat quality in China

The quality characteristics of 79 winter wheat varieties(lines),sampled from 7 wheat region experiment areas in China,have been analysised.The results are as followings:protein content 141 g/kg,sedimentation volume 27.1 mL,water absorption 60.8%,development time 2.7 minutes,stability 3.1 minutes,degree of softening 117 BU,valurimeter value 44.The north wheat varieties quality is better than the south's.There are 3,14 and 9 wheat varieties reach the quality standard of high quality,high gluten strength,middle gluten strength and low gluten strength respectively.The north dry areas have 1 high gluten strength and 3 middle gluten strength and high quality varieties.The north irrigated area have 1 high gluten strength and 3 middle gluten strength high and quality varieties.The dry of Huanghuai areas have 1 high gluten strength,2 middle gluten strength and 1 low gluten strength and high quality varieties.The north of Huanghuai areas have 1 middle gluten strength and high quality variety.The south of Huanghuai areas have 5 middle gluten strength and 1 low gluten strength high quality varieties.The middle and lower reaches of Changjiang River areas have 2 low gluten strength and high quality varieties.The upper reaches of Changjiang River areas have 5 low gluten strength and high quality wheat varieties.The main problem on current wheat varieties quality is the poor gluten protein quality.