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Elsinoë mangiferae produces symptoms superficially similar to anthracnose infections, which are also common on mango. The disease initially presents as small dark brown or gray spots on the underside of leaves or fruit. These spots enlarge and darken over time, developing a velvety or cracked texture in the center of the lesion. [2]
The nymphs and females suck plant sap from inflorescences, tender leaves, shoots and fruit peduncles. [2] As a result, the infested inflorescences dry up, affects the fruit set, causing fruit drop. These bugs also exude honey dew over the mango tree leaves, on which sooty mold fungus develops reducing the photosynthetic efficiency of the tree.
Oidium mangiferae is a plant pathogen that infects mango trees causing powdery mildew. [1] Powdery mildew of mango is an Ascomycete pathogen of the Erysiphales family that was initially described by Berthet in 1914, using samples collected from Brazil. [2]
Nutrient and water uptake is interrupted and this will cause the decline of the tree. [8] The visible symptoms can include leaf chlorosis, leaf tip burn, and excess fruit drop. The latter is the most noticeable symptom of infected trees. Levels of 6 nematodes per 1 cubic centimeter is considered detrimental to the tree. [9]
Mangifera indica, commonly known as mango, is an evergreen [3] species of flowering plant in the family Anacardiaceae. [4] It is a large fruit tree, capable of growing to a height and width of 30 metres (100 feet). There are two distinct genetic populations in modern mangoes – the "Indian type" and the "Southeast Asian type". [citation needed]
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Deporaus marginatus, commonly known as the mango leaf-cutting weevil, [1] is a species of leaf weevil in the beetle family Attelabidae. [ 2 ] [ 3 ] It is a light tan colour with black elytra (wing cases), [ 4 ] and is found in tropical Asia where it is a pest of mango ( Mangifera indica ).
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