Fireblight is a destructive bacterial disease caused by the pathogen Erwinia amylovora. This bacterial disease widely affects plants in the Rosaceae family, including apples, pears, variety of cherries, chokecherry, Saskatoon berry, raspberries, black berries, hawthorn, cotoneaster, and mountain ash. Fireblight, caused by Erwinia amylovora, remains a significant threat to fruit production worldwide. Spread Overwintering bacteria […]
Cytospora canker on hardwoods, particularly caused by Valsa sordida, and Leucostoma sp. is a significant and destructive disease affecting various hardwood trees. Cytospora canker on hardwoods is notorious for its detrimental impact on fruit trees( Prunus species, apples, pears, cherries, peaches, and plums.), ornamental trees(maples, ash, birch, oaks, elms. Mountain ash, etc. ), and forest
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Cytospora canker, also known as Leucostoma canker, is a pervasive and damaging disease, primarily caused by the fungus Cytospora kunzei. The disease is notable on spruce species, such as the Colorado blue spruce (very susceptible to Cytospora canker), Norway spruce and native white and Engelman spruce. Disease causes tree significant structural damage; reduces their effectiveness
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Golf courses are meticulously designed landscapes that combine natural beauty with strategic gameplay. Trees, as integral elements of golf course, serve multiple purposes including to define the course layout, offer aesthetic appeal, provide shade, and can even serve as landmarks. Even though the likelihood of tree hitting golfers is very low, trees can present a
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As tree planting season is already underway, planting container and balled-and-burlapped (B&B) trees too deep is a common and often overlooked mistake that can have serious long-term consequences for tree health and longevity. This practice, frequently observed on farms, acreages, and in residential and commercial landscaping, results from a misunderstanding of proper planting techniques. Planting
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Yellow-headed spruce sawfly (Pikonema alaskensis) is native species to Alberta. Also introduced European spruce sawfly (Gilpinia hercyniae ) is found in Prairie provinces. Sawfly attacks native white, black and Engelmann spruce trees as well as variety of non-native spruce trees( Colorado, and Norway spruce). It can create significant damage to many young spruce trees on
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Either you plant trees for shelterbelts, windbreaks, eco-buffers, or afforestation proper site preparation is essential for the successful tree establishment. Tree seedlings require four basic elements to grow: water, nutrients, sunlight, and space. Site preparation refers to the process of modifying and improving the physical and chemical properties of the soil to create favorable conditions
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Frost crack damage occurs when rapid changes in temperature cause the bark and underlying wood of a tree to split open. Frost crack damage typically occurs during winter months when temperatures fluctuate dramatically between daytime warmth and nighttime cold. The process begins when the sun warms the bark(usually south and southwest side), causing it to
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Golf courses are often associated with manicured greens, pristine fairways, and well-designed landscapes. However, amidst the meticulous planning and maintenance of these grounds, one crucial element often stands tall, both literally and figuratively – trees. Trees on golf courses play a multifaceted role, offering aesthetic appeal, environmental benefits, and even influencing the gameplay experience. The
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Oystershell scales (Lepidosaphes ulmi) are tiny, armored insects that creatures are infesting a wide range of woody plants(trees and shrubs). Named for their resemblance to oyster shells, these scales have infested limbs and branches of wide range of deciduous (broad-leaved) trees and shrubs. Oystershell scales is serious pest to cotoneaster hedges and dogwood shrubs. Host
