Study on the Residues of Milned in Chinese Cab-bage
Zhu Lusheng et al.(Department of Soil Science and Agrochemistry,Shandong A-gricultural University,Taian 271018)
The residues of milneb in chinese cabbage werestudied The residue analytical method of ethylenethiourea(ETU)in chinese cabbage was established.ETU were con-versed to the s-benzyl derivative and measured by gas-liquidchromatography.The results showed that the residue of mil-neb in chinese cabbage was related to the application time ofmilneb,and the maxium residue of milneb in chinese cabbageon application day was 46.50mg/kg. The half life of milneb inchinese cabbage was 6～7days. The residue of ETU was notdetectable in all samples. The results also indicated that thesafe waiting time of milneb on chinese cabbage was 34 days.
【CateGory Index】： S481.9