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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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CENTRAL FOREST REGION<br />

<strong>1965</strong><br />

STATUS OF INSECTS (REGIONAL)<br />

White Pine Weevil .<br />

Larch Sawfly<br />

Mountain Ash Sawfly ......<br />

<strong>Forest</strong> Tent Caterpillar<br />

Page<br />

Pis, sodes strobi (Peck)<br />

D<br />

Pristiphora erichsonii 014. .. .. 6 D 2<br />

Pristiphora geniculata (Htg.) D 2<br />

Malacosoma disstria Hbn. D 2<br />

STATUS OF TREE DISEASES (REGIONAL)<br />

Dutch Elm <strong>Disease</strong><br />

Spruce Needle Rusts<br />

Ink Spot <strong>Disease</strong> of Poplar .*....*<br />

A needle Rust on Pine<br />

Sweetfern Blister Rust .....<br />

White Pine Blister Rust<br />

A Stem Canker on Popular .<br />

Leaf <strong>and</strong> Twig Blight of Aspen<br />

Dieback of Red Pine<br />

Frost Injury<br />

Winte- Drying<br />

Ceratocystis ulmi (Buism) C. Moreau<br />

Chrysomyxa ledi de Bary <strong>and</strong><br />

Chrysomyxa ledicola Lagerh<br />

Ciborinia whetzelii (Seay .) Seav,<br />

Coleosporium asterum (Deit.) Syd<br />

Cronartium comptoniae Arth.<br />

Hypoxylon<br />

Cronartium ribicola J.C. Fischer .. .<br />

p<br />

ruinatum (Klotsch) Cke.<br />

Pollaccia Scleroderris radiosa Lib.) Bald. & Cif 6<br />

. ...... • •• .<br />

• • *0<br />

• • • •<br />

"Bunched Top" Condition of Nursery stock<br />

••••••••••...<br />

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

D 5<br />

D 5<br />

D 6<br />

D G<br />

D<br />

D<br />

D<br />

D 7<br />

• 7<br />

7<br />

D<br />

STATUS OF INSECTS (District)

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