Agriculture Reference
In-Depth Information
Table 10.5.
Some important diseases, disorders and conditions of mango.
Common name
Organism
Parts affected, symptoms
Region or country
Anthracnose
In
fl
orescence; leaf black spots, lesions on
fruit
Universal
Colletotrichum
gloeosporioides
Powdery mildew
Leaves, in
fl
orescence; whitish-grey
powdery spores
Universal
Oidium mangiferae
Mango scab
Blossoms, leaves, twigs, fruit; greyish-
brown spore masses, cracked tissues
Widespread
Elsinoe mangiferae
Bacterial black spot
Leaves, stem and fruit; small watery lesions
that coalesce, causing necrotic spots 2-3
mm diameter with irregular borders
Subtropical cold areas
Xanthomonas campestris
In
fl
orescence malformation
In
fl
orescence compact, sex shift to
maleness; no fruit set; vegetative shoot
compact with small leaves
Egypt, India, Pakistan, Africa,
Americas
Fusarium moniliforme
Stem-end rot
a
Fruit; blackening of stem-end of fruit, skin
and pulp, over-mature fruit; rotting
Widespread
Diplodia natalensis,
Fusarium, Alternaria,
Cladosporium
