ICS 65.020.01 B 05 DB46 DB 46/ T 453—2017 Technical regulation for identification and treatment on abnormal oil palm seedlings 2017 - 12 - 20 2018 - 02 - 20 DB46/T 453—2017 GB/T 1.1-2009 DB46/T 453—2017 1 Elaeis guineensis Jacq. 2 2.1 abnormal seedling 2.2 pre-nursery period 4 2.3 main nursery period 5 12 3 1 a A a A.1 a 1/2 a A A A.1 b A.1 c a A A.1 d a,b A A.1 e b A b 1/3 b b b 1/2 A A.1 i A A.1 j A A.1 g A A.1 h A.1 f 1 DB46/T 453—2017 1 b b 1/2 A A A.1 k A.1 l a b 4 4.1 4.2 4.2.1 4.2.2 4.2.3 4.3 5 2 DB46/T 453—2017 A A.1 a) b) c) d) A.1 3 DB46/T 453—2017 e) f) g) h) i) j) A.1 4 DB46/T 453—2017 k) l) A.1 ____________________________ 5