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Diplocarpon rosae is a fungus that creates the rose black spot disease. [1] Because it was observed by people of various countries around the same time (around 1830), the nomenclature for the fungus varied with about 25 different names. [2]
Black spot (Diplocarpon rosae) Black spot (class Leotiomycetes: family Helotiales) Diplocarpon rosae syn. Marssonina rosae – Marssonina rosae causes black spots on leaves. [4] The spots, which may be as much as 12 mm across, are generally circular and have an irregular edge often with a yellow halo. Leaves frequently turn yellow and fall early.
Eupoecila australasiae, commonly known as the fiddler beetle or rose chafer, is a colourful green- or yellow-and-black member of the scarab beetle family from eastern Australia.
The main fungal diseases affecting the leaves are rose black spot (Diplocarpon rosae), rose rust (Phragmidium mucronatum), rose powdery mildew (Sphaerotheca pannosa) and rose downy mildew (Peronospora sparsa). Stems can be affected by several canker diseases, the most commonly seen of which is stem canker (Leptosphaeria coniothyrium).
Rosa 'Sally Holmes' is a white shrub rose cultivar, bred by Robert Holmes in Great Britain in 1976, and named in honor of his wife, Sally. It was created from stock parents, Rosa 'Ivory Fashion' and Rosa 'Ballerina'.
Twenty years after his death in 1949 Alister Clark remained the most important Australian rose breeder. A.S. Thomas was the Australian registrar of roses and president of the National Rose Society of Victoria. The 1967 edition of his Better Roses prints a list of eighty "highly prized cultivars" from Australia and New Zealand. Twenty of them ...
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Black spot, a section of roadway designated as an accident black spot in the Australian Government's Black Spot Program; Black Spot (aircraft), a series of attack aircraft tested by the US Air Force in the Vietnam War; Black spot, a marking made on Hindu children in South Asia to protect them from the evil eye, or nazar battu