Board Thread:Theories and Speculation/@comment-27075290-20151102051236/@comment-24808887-20151104002738

Thekillman wrote: Obito only used Wood Release when connected to a Zetsu despite the fact that his body is half hashirama cells. He used Wood Release freely without zetsu against Kakashi and Naruto in chapter 609, so i guess it's more up to combat style.