Solution to prevent forest from P.ramourum

Both the reading and the lecture discuss the methods of preventing the trees and vegetation from the damages of P. ramorum. On this point, the passage introduces several reasons suggesting how such approaches protect the oaks. The lecturer, nevertheless, casts doubt on this claim by giving out three reasons to refute the author's opinion. Initially, the author asserts that the first practical method is ceasing the P. ramorum spore's propagation by encouraging hikers to make their shoes clean and install new bike scrubbers. Conversely, the lecturer highlights that the spore does not spread through human assistance. Such particles will flow down the rainwater far away when rain falls, which means that method is costly and useless. Secondly, the lecturer challenges the writer’s conclusion that we can diminish the infected rate of oaks by using fungicidal chemicals. Instead, he believes this approach is not practical because the government needs to perform regular injection work on the trees due to the short validity period of the chemicals. And that requires more material and financial resources. Finally, contrary to what is mentioned in the reading that clear-cutting will be helpful to forest conservation, the lecturer points out that this way may destroy some healthy trees, which may be probably endangered or rare. As a result, such species will not quickly recover if we put this method into practice. (