Antifreeze for Prunus armeniaca L flowers and fruits

The invention discloses a flower and fruit anti-freezing agent of kernel apricot, the flower and fruit anti-freezing agent of the kernel apricot is mixed by abscisic acid, brassinolide, cerous nitrate and water, wherein, the concentration of abscisic acid is 10 mg/L, the concentration of brassinolide is 1.6mg/L, and the concentration of cerous nitrate is 0.8mg/L. The invention has advantages of reasonable medicament compatibility, high medicament utilization rate, obviously reduced percentage of frosted flower and increased percentage of fertile fruit of almond-apricot. The plant using the medicament has the reduced percentage of frosted flower by 38 percent-66 percent compare with clear water and has the increased percentage of fertile fruit by 103.8 percent compare with clear water. The materials used by the invention has advantages of high permeability, internal absorption, high efficiency, broad spectrum, low toxicity and safety, low making cost and convenient use. The invention is suitable for various ke