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If the white outer growth is removed or disturbed, the disease appears as purple-brown blotches on older leaves and fruit. [2] [12] Infection may also cause distortion of young leaves, as the infection usually begins on the underside of the leaf. [12] Necrotic lesions appear on the upper side of the leaf, and the leaves tend to curl downward. [7]
Mango malformation Fusarium subglutinans (Note: some debate remains as to complete etiology of this disease.) Mucor rot Mucor circinelloides. Mushroom root rot Armillaria tabescens. Phoma blight Phoma glomerata. Phyllosticta leaf spot Phyllosticta mortonii Phyllosticta citricarpa Guignardia citricarpa [teleomorph] Phyllosticta anacardiacearum
The mango mealybug (Drosicha mangiferae) is a pest of mango crops in Asia. 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.
The mango is an irregular, egg-shaped fruit which is a fleshy drupe. [4] Mangos are typically 8–12 centimetres (3–5 inches) long and greenish yellow in color. The fruits can be round, oval, heart, or kidney shaped. [4] Mango fruits are green when they are unripe. [4] The interior flesh is bright orange and soft with a large, flat pit in the ...
Annual autumn leaf drop in temperate zones is caused by the abscission of the mature leaves from the growth season in response to the approach of cold winter weather. Abscission (from Latin ab- 'away' and scindere 'to cut') is the shedding of various parts of an organism, such as a plant dropping a leaf, fruit, flower, or seed.
Overwatering and underwatering are, hands down, the most common causes of peace lily leaves turning yellow, and these two issues can cause leaf drop and wilting, too.
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 ).
Columnist Bill Lamont noticed that some of his trees looked like October foliage in August.