American mountain-ash A database that provides information on more than 200 native tree and shrub species, and on almost 300 insects and 200 diseases found in Canada's forests
Fire blight - The City of Calgary Common members of this family include apple and crab apple, pear, mountain ash, cotoneaster, raspberry, flowering almond, and saskatoon Fire blight bacteria can spread a number of ways, including insect transmission, use of contaminated pruning tools and strong winds and rain
Fireblight Disease and Treatment in Western Canada - ArborCare® Fireblight is a destructive disease that attacks more than 75 different species of plants in the Rosaceae family — flowering herbs, trees and shrubs Fireblight is an infectious tree disease and a severe problem among fruit growers, as it can destroy an entire orchard in a single growing season
Forest health - Alberta. ca Alberta forests are sustained through regulation, continuous monitoring and control of forest insects and diseases, and gene conservation In this section, find information on noteworthy forest pests and their diagnosis and management
Alberta trees under attack | The Western Producer It has been known to infect crab apple, hawthorn, chokecherry and other members of the rose family, including mountain ash, cotoneaster and raspberry Agriculture Canada information indicates
Fireblight - agriculture. canada. ca Crabapple, hawthorn, chokecherry and other members of the rose family (cotoneaster, mountain ash, raspberry) Fireblight in apple Fireblight is caused by a bacterium (Erwinia amylovora) that infects the tree through the blossoms, leaves or wounds in the stems or trunk
Tree Damage Identification | Wetaskiwin County, AB - Official . . . Apple maggot (Rhagoletis pomonella) is a pest fly native to North America, and has been a serious pest of apples in Canada for over 100 years Ash Borer The ash borer or lilac borer (Podosesia syringae) is a day-flying clearwing moth native to North America The larvae feed on the bark and wood of ash trees and lilacs Ash Leaf Cone Roller
Revised December 2016 Agdex 636-1 Fireblight - Alberta. ca In Alberta, this disease can affect many highly desirable hardy ornamentals and fruit-producing species in the rose family including apple, crabapple, cotoneaster, hawthorn, pear, mountain ash, raspberry, saskatoon berry, plum and cherry (Figure 1)
Tree Disease and Insect Management Edmonton | Expert Tips Fire blight attacks blossoms, leaves, shoots, branches, fruits, and roots This infectious disease affects these trees in Edmonton: Apple and Crab apple, Pear, Mountain Ash, sometimes Saskatoon Berry, and shrubs such as Cotoneaster, Raspberry These plants are from the Rosaceae family
Mountain Ash Diseases - Penn State Extension Informational table showing disease name, symptoms, pathogen cause, and management of Mountain Ash diseases Trunks and larger branches have brown sunken cankers, circular or irregular in shape, that gradually enlarge and girdle the wood Black, pimple-like fruiting structures form on infected bark