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For artistic effect, many Japanese maple bonsai trees have an upright informal habit featuring a trunk that is either contorted, multi-stemmed or slanted. Related: The 17 Best Outdoor Planters ...
Stroma is located in the black lesions of the infected leaves. [2] Conidiophores form non-infectious conidia that are released both in conditions of wetness and drought. [ 2 ] [ 7 ] The most favorable environment for the pathogen is when there is an extended period of moisture such as fog or rain, which prevents the leaves from drying out. [ 8 ]
Japanese maple is a low-maintenance tree when its basic needs are met. Light. Plant Japanese maple where it will receive 4 to 5 hours of sunlight per day. Afternoon shade or dappled shade is ...
Acer palmatum, commonly known as Japanese maple, [3] palmate maple, [4] or smooth Japanese maple [5] (Korean: danpungnamu, 단풍나무, Japanese: irohamomiji, イロハモミジ, or momiji, (栴)), is a species of woody plant native to Korea, Japan, China, eastern Mongolia, and southeast Russia. [6]
Acer japonicum, fullmoon maple, or downy Japanese-maple [2] (Japanese: はうちは楓, romanized: hauchiwakaede), is a species of maple native to Japan, on Honshū, Hokkaidō, Kyūshū (Nagasaki Prefecture), and also southern Korea.
Acer pseudoplatanus, known as the sycamore in the British Isles and as the sycamore maple in the United States, [3] is a species of maple native to Central Europe and Western Asia. It is a large deciduous , broad-leaved tree , tolerant of wind and coastal exposure.
Phyllosticta minima is a fungus of the division Ascomycota which causes purple-bordered leaf spot, a largely cosmetic disease that infects maple trees. [1] It grows on living and fallen leaves, creating tan, ovular lesions 1 ⁄ 4 inch in diameter and ringed with 'purple' or black spores.
As the disease progresses, the spots get larger and denser as large numbers of asexual spores are formed, and the mildew may spread up and down the length of the plant. Powdery mildew grows well in environments with high humidity and moderate temperatures; greenhouses provide an ideal moist, temperate environment for the spread of the disease.