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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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MIDWESTERN FOREST REGION<br />

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

STATUS OF INSECTS (Regional)<br />

Page<br />

Larch Sawfly Pristiphora erichsonii (Htg) F 1<br />

Shoestring Root Rot<br />

A Needle Rust of Spruce<br />

A Needle Rust of Spruce<br />

A Needle Rust of Spruce<br />

Ink Spot of Aspen<br />

A Needle Rust<br />

Black Knot of Cherry<br />

A Leaf Rust of Mountain Ash<br />

A Needle Cast of Conifers.<br />

Eastern Gall Rust<br />

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

STATUS OF TREE DISEASES (Regional)<br />

Armillaria mellea (Vahl.) ex (Fr.) F 1<br />

Chrysomyxa arctostaphili Diet. F 1<br />

Chrysomyxa ledi de Bary F 1<br />

Chrysomyxa ledicola Lagerh. F 1<br />

Ciborinia whetzelii (Seay.) F 1<br />

Coleosporium asterum (Diet) Syd. F 2<br />

Dibotryon morbosum (Schw.) Theiss F 2<br />

<strong>and</strong> Syd.<br />

Gymnosporangium sp.<br />

F2<br />

Hypodermella ampla (J. J. Davis) F2<br />

Peridermium sp. F 3<br />

Pollaccia elegans Serv. F 3<br />

Pollaccia radiosa (Lib.) Bald & F4<br />

Cif.<br />

Frost Injury . F 4<br />

Snow Damage •• •• F 4<br />

Other Noteworthy <strong>Disease</strong>s ..... . . .... F 5<br />

STATUS OF INSECTS (District)

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