Termite-proofing method comprising injecting tree with thiamethoxam, acetamiprid, dinotefuran and clothianidin or a mixture thereof

摘要

Disclosed is a method for obtaining lumber that does not require termite-proofing treatment following lumber production, said method comprising injecting a tree trunk injection preparation comprising thiamethoxam and at least one surfactant into the trunk of a tree, wherein said preparation is circulated inside the tree body. Reference has been directed, in pursuance of Section 16 of the Patents Act 1953, to patent specification 549550.