Haploid corn doubling composition and haploid corn doubling method

The invention provides a haploid corn doubling composition and a haploid corn doubling method, and relates to the technical field of haploid breeding. Comprising propyzamide, dimethyl sulfoxide, Tween 80 and thiazone. The concentration of the propyzamide is 80 [mu] mol/L; the mass percentage content of the dimethyl sulfoxide is 1%; the mass percentage content of the Tween 80 is 0.05%; the mass percentage content of the thiazone is 0.05%. When the composition provided by the invention is used for doubling haploid corn, the doubling rate can reach 15% or above, and the maximum doubling rate can reach 45%. 本发明提供了一种单倍体玉米加倍的组合物和单倍体玉米加倍的方法，涉及单倍体育种技术领域。包括：炔苯酰草胺、二甲基亚砜、吐温80和噻酮；所述炔苯酰草胺的浓度为80μmol/L；所述二甲基亚砜的质量百分含量为1％；所述吐温80的质量百分含量为0.05％；所述噻酮的质量百分含量为0.05％。将本发明提供的组合物对单倍体玉米进行加倍，加倍率可达15％以上，最高达到45％。