Ohia trees are dying rapidly, Why?

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PMaise, thank you for sharing your thoughts to this. The fungus that is spreading through the Ohia has been very destructive around lower Puna. The bulldozing of large parcels has been a common farming practice for decades here with papaya and flowers. Why would the fertilizer that's used on those thousands of acres not act the same as the fert in ones yard?. I do feel that a few contributed factors have merged to allow this fungus to spread so fast.
Sweet potatoes get planted, say between or around new Gmo papaya farms and all over its dozer pushed rotting burms. Then they die from desease or spray, The dozer rips this up and spreads the first new Ohia killing spores. Ofcourse this is only hypothetical or an opinion to how this could have started with the GMO Papaya.
Maybe an off the wall question here? Has anyone in lower Puna had much luck growing Kava? This was going to be a big producer a decade ago. Then most I saw started showing desease or dieoff signs from possibly fungus, Could it be related?.