Identification on weed seed in scraps of wool Australia original and weed seed catalogues in wool
9 representative sample wool scraps from opening a bag of wool to before washing are taken in 71 batch of 2509 tons of the original wools from Australia in 2011. According to the conventional identification methods of weed seed, species of weeds, or genus or families are identified. 123 species, genus or family are founded, 53 of which is species, genera or families. They are 33 of species, 17 of genus, 3 of family. 3 of quarantine weed seed has been founded. They are Xanthium spinosum L. , Cuscuia japonica Choisy. , Cuscuta australis R. Br.. No - quarantine weed seed mainly are Trifolium subterraneum L. , Hordeum leporinum Link. , Xanthium spinosum L. Bromus tectorum L. ,Avena strigosa Schreb. ,Avena fatua L. ,Erodium sp. ,Festuca spp.. 22 of newly weed seed are founded in China, such as Nopordum tauricum Willd. There are similarities and differences results about weed seed between Shanghai port and those identification in the same lot of wools, plant quarantine risks in subsequent quarantine and supervision of the original wools from Australia from Shanghai tion in Yangtze River are existed. Risk control methods are suggested in this port to inland by vessels transportaarticle.