Fecha de publicación: 07/09/2021 Fuente: WIPO "stone fruits" The invention discloses a dormancy breaking agent for breaking the dormancy period of stone fruits, and belongs to the technical field of stone fruit cultivation preparations, wherein the dormancy breaking agent comprises the following components by weight: 10 g of ammonium bicarbonate, 0.25 g of a plant growth regulator, 6.7-20 g of a broad-spectrum bactericide, and 5 g of an auxiliary agent. The dormancy breaking agent can be effectively applied to planting of the stone fruits in the south, the problem of biennial bearing or yield reduction caused by factors such as warm winter is solved, the planting range can be expanded to the south, and the stone fruits are more early-matured. The dormancy breaking agent can also be applied to stone fruit breeding and stone fruit seed dormancy breaking, efficiency can be improved, and time and cost can be saved. According to the dormancy breaking agent, the dormancy period of the stone fruits is broken through regulation and control of chemical agents, about 20-30% of cold demand can be reduced, and the dormancy breaking agent has great significance and application prospects in the aspect of stone fruit planting or breeding.