玉米空秆大致有两种情况:一种是先天不育,农民常叫“公子包谷”,雄穗发达,植株生长正常,但雌穗(果穗)不发育,这种玉米从栽培措施上无法解决。另一种是后天不育,植株上有小的雌穗,但不抽花丝,不结籽粒。预防空秆就是防止后者。 Corn stalks generally have two situations: one is innate infertility, farmers often called “son of the Valley”, tassel developed, plant growth is normal, but the ear (ear) is not developed, the corn cultivation measures can not be resolved . The other is sterile, plants have small ears, but not filigree, no seed. Prevention of stalks is to prevent the latter empty.