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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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<strong>Disease</strong>s <strong>and</strong> Organisms of <strong>Forest</strong> Flora<br />

Organism<br />

Host(sl__ Remarks<br />

Exobasidium vaccinii Wor.<br />

Nyssopsora clavellosa (Berk.) Arth, Aralia<br />

Phragmidium sp.<br />

Phragmidium rubi-odorati Diet.<br />

Puccinia asteris Dully<br />

Puccinia bolleyana Sacc.<br />

Puccinia caricina D. C.<br />

Puccinia dioicae P. Magn.<br />

Puccinia coronata Cda.<br />

Blueberry<br />

Wild Rose<br />

Rubus<br />

Aster<br />

Elderberry<br />

Ribes<br />

Aster<br />

Buckthorn<br />

Puccinia porphyrogenita Curt. ex. Bunchberry<br />

Thum.<br />

Puccinia mesomajalis Berk. Clintonia<br />

& Curt. ex Pk.<br />

Puccinia recondita Rob. ex Dem.<br />

Puccinia violae (Schum.) D. C.<br />

Pucciniastrum potentillae<br />

Anemone<br />

Viola<br />

Cinquefoil<br />

Found at two locations in the<br />

Chapleau District in mature<br />

st<strong>and</strong>s of trembling aspen or<br />

jack pine.<br />

Sporulating on foliage at<br />

several locations in White<br />

River <strong>and</strong> Chapleau districts;.<br />

mostly on fresh sites of<br />

trembling aspen.<br />

Foliage rust observed at<br />

widely scattered locations<br />

in White River <strong>and</strong> Chapleau<br />

districts, mostly shad<br />

suppressed s pecimens affected<br />

<strong>and</strong> on a variety of sites.<br />

Host infected in Hunt Twp.,<br />

White River District.<br />

Occasional in White River,<br />

Chapleau, <strong>and</strong> Gogama districts<br />

on trembling aspen sites.<br />

Several pockets of heavy<br />

infection reported from<br />

Gogama District.<br />

Common in moist habitats,<br />

Chapleau District.<br />

Common wherever host is<br />

present, Chapleau District.<br />

Bright orange fruiting<br />

pustules on foliage of<br />

lakeshore <strong>and</strong> fringe alderleaf<br />

buckthorn; Gogama <strong>and</strong><br />

Chapleau districts.<br />

Heavy infection at Rumsey's<br />

plantation, White River<br />

District.<br />

Occasional in White River<br />

<strong>and</strong> Chapleau districts, mainly<br />

in trembling aspen working<br />

groups.<br />

In association with Septoria<br />

anemones in mature jack pine<br />

st<strong>and</strong>s, Chapleau District.<br />

Profuse fruiting on forest<br />

floor violet on good trembling<br />

aspen sites, Chapleau District.<br />

Wherever host occurs in<br />

mature jack pine st<strong>and</strong>s in<br />

the Chapleau District.

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