Pest and Diseases Of Mango


The mango is popularly known as the King of fruit. It belongs to the family Anacardiaceae. Major species are known as Mangifera indica. Mainly there are two types: the Indian type and the Indochinese type. The management of pest and diseases of mango is crucial for ensuring a healthy and thriving mango orchard, as they can cause severe damage to the trees and reduce fruit production.

Indian Type

This is a mono-embryonic type. That means it contains only one embryo.

Eg: Willard

Indochinese Type

This is a polyembryonic type. That means it contains more than one embryo per seed.

Eg: Carabao

Diseases of Mango

1. Stem End Rot

Stem end rot is the major post-harvest disease. The fruit pericarp becomes darken near the base of pedicels. The affected area enlarges to form a circular black patch which extends under a humid atmosphere and the pulp becomes brown and softer. The rot produces dark streaking of the water-conducting tissues in fruit. Carefully handle fruits and prevent mechanical injuries. Avoid harvesting premature fruits. Hot-water treatment. (Keep mango in 50-520C for 3-5 min soon after harvesting.)

2. Anthracnose

Anthracnose affects leaves, flower panicles,s and all stages of fruit. Tender shoot and foliage are easily affected and ultimately cause the “die back” of young branches. Anthracnose produces leaf spot, blossom blight, wither tip, twig blight, and fruit rot symptoms. Prune excess branches. Use fungicides: before and after flowering. (Eg: Chlorocaloni, Maneb). Hot-water treatment. ( Keep mango in 50-520C for 3-5 min soon after harvesting.)

Pests of Mango

1. Fruit Fly (Bactocera dorsalis)

Pest and Diseases Of Mango

Larvae feed on fruit flesh – become unsuitable for consumption. After hatching larvae feeds on the pulp which appears normal from outside. Remove all dropped fruits and destroy them. Use protein baits. Use methyl eugenol traps. Cover the fruit.

2. Mango Leafhopper

Mango Hopper nymphs and adults and suck the cell sap from the tender shoots during the rainy season. Infested leaves of mango shrivel, turn brown and ultimately fall down. Mango hoppers secrete a honeydew-like substance that encourages the growth of black sooty mold which severely affects the photosynthetic activity of leaves. Affect the marketable quality of seedlings in the nursery.

3. Leaf-Cutting Weevil

Female lays eggs under the rind of ripening fruits. Newly emerged grubs bore through the pulp, feed on the seed coat, and later cause damage to cotyledons. Pupation takes place inside the seed. The pulp is discolored around the affected portion. The pulp adjacent to the affected stone is seen as discolored when the fruit is cut open. These are control methods of Leaf-cutting weevils; Collect and destruct infected and fallen fruits, use chemicals, and use traps.

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