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Gymnosporangium juniperi-virginianae is a plant pathogen that causes cedar-apple rust. [1] In virtually any location where apples or crabapples and eastern red cedar (Juniperus virginiana) coexist, cedar apple rust can be a destructive or disfiguring disease on both the apples and cedars.
Gymnosporangium juniperi-virginianae: Juniperus: Malus: Cedar-apple rust [10] Gymnosporangium kernianum: Juniperus: Amelanchier: Kern's pear rust [11] Gymnosporangium libocedri (Now Gymnotelium blasdaleanum, Pucciniaceae family) Calocedrus: Amelanchier: Pacific Coast pear rust, [11] Incense cedar broom rust [10] Gymnosporangium malyi (not known ...
Gymnosporangium juniperi-virginianae: Japanese apple rust Gymnosporangium yamadae: Pacific Coast pear rust Gymnosporangium libocedri: Quince rust Gymnosporangium clavipes... Side rot Phialophora malorum: Silver leaf Chondrostereum purpureum: Sooty blotch complex Peltaster fructicola Geastrumia polystigmatis Leptodontidium elatius Gloeodes pomigena
Gymnosporangium juniperi-virginianae (cedar-apple rust); Juniperus virginiana is the primary ... Use of disease-free seed can reduce incidence for some rusts [23]
Gymnosporangium globosum is a heteroecious rust fungus that requires two hosts to complete its life cycle. Its telial stage occurs on eastern red cedar, Rocky Mountain juniper, southern red cedar, and other common junipers while its aecial stage will be found on apple, crabapple, hawthorne, and occasionally on pear, quince, and serviceberry.
'Chisel Jersey' is a full "bittersweet" apple, high in tannins and sugars and relatively low in malic acid.The fruit are small, green with a striped red flush, and ripen late in the year: they usually have a distinctive offset stem (hence its alternative name 'Sidestalk Jersey').
Juniperus virginiana foliage and mature cones. Juniperus virginiana is a dense slow-growing coniferous evergreen tree with a conical or subcylindrical shaped crown [8] that may never become more than a bush on poor soil, but is ordinarily from 5–20 metres (16–66 feet) tall, with a short trunk 30–100 centimetres (12–39 inches) in diameter, rarely to 27 m (89 ft) in height and 170 cm (67 ...
Karmijn de Sonnaville is a variety of apple bred by Piet de Sonnaville, working in Wageningen (the Netherlands) in 1949.It is a cross of Cox's Orange Pippin and Jonathan, and was first grown commercially in 1971.