Effects of nitrogen application rates on starch composition and pasting properties of high quality wheat Effects of post-anthesis high temperature, drought stress and their interaction on the starch pasting properties of two wheat cultivars with different gluten strength Physico-Chemical Properties of A-and B-Type Starch Granules in Wheat Crystalline Structure and Pasting Properties of Starch in Eight Waxy Corn Cultivars Grown in Spring and Autumn