(Source: Department of Conservation of New Zealand) Test results showing the presence of Phytophthora taxon Agathis (PTA) or Kauri dieback disease in the Whangapoua Forest just north of Whitianga is a major concern, Conservation Minister Dr Nick Smith and Primary Industries Minister Nathan Guy say. “This is a serious blow to our efforts to conserve kauri and protect it from this disease. I am taking a precautionary approach by immediately closing the affected area to reduce the risk of spread. It will also enable time to determine the extent of the disease and our on-going…