(G uangxi Agricultural University,Nanning 530005) W 0i Daozhi (Handan Branch School,Hebei Agricultural University.Yongnian 057150) Abstract W heat rTrltlcum oeMiuum L.cv.Guangxi s5o3) was sprayed w ith effecti- rely active concentrations (200- 500 ppm ,of choline chlor试e (CC) n different...