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The infection of Tar Spot is localized to the chlorotic areas on the leaves and is mostly a cosmetic issue, rather than an economically detrimental disease. [5] The anamorph of tar spot is Melasmia acerina. [5] In late summer, conidiophores are formed in the mass of fungal tissue called the stroma. Stroma is located in the black lesions of the ...
Sooty mold is commonly seen on the leaves of ornamental plants such as azaleas, gardenias, camellias, crepe myrtles, Mangifera and laurels. Karuka is affected by sooty mold caused by Meliola juttingii. [6] Plants located under pecan or hickory trees are particularly susceptible to sooty mold, because honeydew-secreting insects often inhabit ...
Ilex mitis (commonly called Cape holly, African holly, waterboom or umDuma) is a tall, dense, evergreen tree that is indigenous to Sub-Saharan Africa and Madagascar. It makes an excellent fast-growing hedge for gardens - growing tall, straight and dense.
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Ilex ambigua is a species of flowering plant in the holly family known by the common names Carolina holly and sand holly. It is native to the southeastern and south-central United States, along the coastal plain from North Carolina to Texas , inland as far as Oklahoma , Arkansas , and Tennessee .
Ilex verticillata, the winterberry, is a species of holly native to eastern North America in the United States and southeast Canada, from Newfoundland west to Ontario and Minnesota, and south to Alabama. [3] [4] Other names that have been used include black alder, [5] [6] Canada holly, [5] coralberry, [6] fever bush, [7] Michigan holly, [6] or ...
The leaves of both species are similar in outline and toothed and bristled very much the same way, but the leaves are brighter in the American holly and larger. [citation needed] The American holly, called the evergreen or Christmas holly (Ilex opaca Aiton) was named the state tree of Delaware on 1 May 1939. [19]
The black spots can become about 5 millimeters in diameter. [1] As the season continues, the tissue around the original spot may become necrotic. [4] In severe cases of the disease there is premature shedding of leaves, blight of young leaves and shoots, and complete defoliation early in the fall. [1] Fruits that are infected become crumpled. [1]