Abstract: In order to screen out the high-yielding and high-quality middle-season rice varieties suitable for planting in Huayuan county, promote the structural reform of agricultural supply in the county, increase the proportion of high-quality middle-season rice, and increase planting efficiency of farmers, the exhibition and testing demonstration work of new medium-season rice varieties were carried out. The results showed that Longliangyou 534, Longjingyou 1, Tianyou Huazhan, and Wuyou Huazhan were suitable for planting in Huayuan county with their moderate growth periods, strong comprehensive resistance, high yield, and superior grain quality.

Key words: rice variety, variety demonstration, high-quality rice, Huayuan county