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Gardner, D. E. . Unpublished: Verticillium wilt(?) of koa. Unpublished
ABSTRACT
In conjunction with Victor Tanimoto, DLNR entomologist, I investigated the death of koa trees at Ho`omaluhia State Park. I don't recall that a diagnosis, whether disease or insect related, was conclusive. However, in investigation similar death of koa in HAVO, I isolated a species of Verticillium from diseased tissue. Koch's postulates were not completed, so the pathogenicity of the isolate was not confirmed; however, the genus Verticillium is known to include virulent vascular fungi.

FULL TEXT
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HOSTS
Acacia koa - Koa

PATHOGENS
Verticillium sp. - Verticillium

RELEVANT TO BIOCONTROL
No.

KEY WORDS
Koa, Acacia koa, Verticillium.

IMAGES
02_103 -- Verticillium-like fungus from wilted Koa in HAVO, 14-day old PDA culture 02_103 - Verticillium-like fungus from wilted Koa in HAVO, 14-day old PDA culture
PATHOGEN: Aspergillus melleus
02_104 -- Verticillium-like fungus from wilted Koa in HAVO, 14-day old PDA culture 02_104 - Verticillium-like fungus from wilted Koa in HAVO, 14-day old PDA culture
PATHOGEN: Aspergillus melleus
28_064 -- Victor Tanimoto with dying koa trees at Ho'omaluhia park 28_064 - Victor Tanimoto with dying koa trees at Ho'omaluhia park
PATHOGEN: Aspergillus melleus

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