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Pine-pine gall rust, also known as western gall rust, is a fungal disease of pine trees. It is caused by Endocronartium harknessii (asexual name is Peridermium harknessii ), an autoecious , endocyclic , rust fungus that grows in the vascular cambium of the host. [ 1 ]
Chionaspis pinifoliae, the pine needle scale insect, is a common species of scale insect found on pine, spruce and other conifers across Canada and throughout the United States. [1] The species is particularly persistent on planted spruce in the Prairie Provinces in both rural and urban settings. In heavy populations, the needles may appear to ...
Many pine trees turn yellow this time of year because of normal “needle drop” on the inside branches
The first line of defense in preventing disease is planting disease free stock, planting in a disease free area, and selecting a disease resistant species. Beyond the selection of clean, resistant stock and planting location, trees that have proper water and nutrient management are healthier and less susceptible to Diplodia tip blight.
Witch's brooms on downy birch, caused by the fungus Taphrina betulina Witch's broom on a white pine. Witch's broom in Yamaska National Park, QC. Witch's broom or witches' broom is a deformity in a woody plant, typically a tree, where the natural structure of the plant is changed.
BLISTERS MIGHT NOT seem like a big deal—until you get one and remember how debilitating they can be. These painful skin lesions are caused by friction when your skin rubs against your shoes ...
Aces around, dix or double pinochles. Score points by trick-taking and also by forming combinations of cards into melds.
Some subcutaneous fungal infections can invade into deeper structures, resulting in systemic disease. [3] Candida albicans can live in people without producing symptoms, and is able to cause both mild candidiasis in healthy people and severe invasive candidiasis in those who cannot fight infection themselves .