Preventative measures: In Maine, regulated articles consist of "logs, pulpwood, branches, twigs, plants, scions, and other propagative materials of Larix spp. and Pseudolarix spp. except seeds." Regulations, such as having a permit, have been put in place to help control the spread of L. willkommii (CDFA, 1999).
Physical: To limit the spread of L. willkommii, infected branches are cut off the tree. This is done under specific conditions when the weather is dry and during winter. Some problems associated with the cutting of branches is sometimes the tools used are not sanitized properly, which in turn means that spores can be found on the tool and be easily transferred to another tree (Surini, 2004).
4. Tkacz, B. 2002. Pest risks associated with importing wood to the United States. Can. J. Plant Pathol.24: 111-116.
Summary: The article explains how the importing of unmanufactured wood in the United States is dangerous. It explains pest risk assessment of wood in the United States.
5. Xu, Haigen, S., Qiang, Z. Han, J. Guo, Z. Huang, H. Sun, S. He, H. Ding, H. Wu, F. Wan. 2006. The status and cause of species invasion in China. Biodiversity and Conservation. 15: 2893-2904.
Summary: The arilcle discusses introduced species in China. It talks about impacts invasive organisms have made in the country and there should be quaratine measures and risk assessment procedures put in place very soon.
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