赣早籼３１号系选用强优势杂交籼稻组合汕Ａ／（３６天恢／ＩＲ２４）为接种供体，经花药培养加速纯合选育而成。该品种属早籼早中熟类型，具有株型理想、成穗率高、结实好、丰产稳产、抗逆性强、后期落色好、适应性广等优点，适宜在我国南方稻区种植。 Ganzaoxian 31 was selected as the dominant donor of indica hybrid rice Shantou A / (36 days / IR24) and accelerated by anther culture. The cultivars belong to the early maturing type of early indica rice and have the advantages of ideal plant type, high spike rate, good stubbornness, high and stable yield, strong resistance, good fading and good adaptability at the later stage. It is suitable for planting in the rice planting area of ​​southern China.