Home / Standards / GB/T 17980.91-2004 GB/T 17980.91-2004 Active Pesticide--Guidelines for the field efficacy trials(Ⅱ)--Part 91:Fungicides against brown leaf spot of tobacco 农药 田间药效试验准则(二) 第91部分:杀菌剂防治烟草赤星病 Standard Type GBT ICS 65.100 CCS B17 Status 现行 Issue Date 2004-03-03 Implementation 2004-08-01 Responsible Dept 农业农村部 Drafting Unit 农业农村部