Dieback had claimed an area of WA bush more than 2500 times the size of Kings Park and was poised to tear through the Fitzgerald River National Park, experts warned yesterday.Celebrity gardener Sabrina Hahn said dieback was having a chronically dire impact and was rapidly encroaching on suburban backyards after testing revealed further infestations in Nedlands and Cottesloe.
Dieback is a soil and water-borne micro-organism that kills by destroying the root systems of plants.
Ms Hahn said WA could lose up to 80 per cent of its flora in State forests.
"That's why they call it the biological bulldozer," she said.
"It just wipes out whole ecosystems. We need more money for research . . . the State and Federal governments have to put a lot more money in."
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