Grain hardness (GH) of wheat—primarily determined by the endosperm texture—is a physical quality trait that is used for market grading. The world wheat trade is largely carried out based on the GH grades. Based on the endosperm texture, wheat is generally graded into soft, medium-soft, med...
The hardness of maize is also related to its moisture content. Normally, the higher the moisture content, the smaller the hardness value. Currently, there is a great deal of attention paid to the testing methods for grain hardness. Traditional grain quality testing methods mainly include commonly...