1 Pathologist, Southern Hardwoods Laboratory, maintained at Stoneville, Miss. 38776, by the Southern Forest Experiment Station, Forest Service, U.S.

UC Management Guidelines for Phytophthora Canker and Crown Rot (Citricola Canker) on Avocado. ... SYMPTOMS. Phytophthora cankers usually originate at or below ground level but can ...

Canker Rots and The Heart Rot Myth By Alex L. Shigo. Ring rots, when they are canker rots, are major causes of defect and loss of value in Douglas fir, as shown here, and in other ...

stem decays and stains: field guide to insects and diseases of arizona and new mexico forests

Image of canker rot, Cerrena unicolor (Polyporales: Polyporaceae); Fruiting Bodies;. Picture was taken by Joseph O'Brien, USDA Forest Service. Photo is available in five ...

Soybeans: Brown Stem Rot, Stem Canker and Sudden Death Syndrome

Apple-- Perennial Canker (Bull's-eye Rot) See Also: Apple -- Anthracnose (Bull's-eye Rot) Cause: ...

146 Canker Rot of Oak Inonotus andersonii (Ellis & Everh.) Cerny Hosts: Oaks Symptoms/signs: I. andersonii produces flat, bright yellow to yellow-brown fruiting bodies with peg ...

Image of canker rot, Cerrena unicolor (Polyporales: Polyporaceae); Fruiting Bodies;. Picture was taken by Joseph O'Brien, USDA Forest Service. Photo is available in five ...

Black rot, caused by the fungus Botryosphaeria obtusa, causes a canker, leaf spot, and fruit rot on a large number of hosts including apple, crabapple, and mountain ash.