Bitterroot Restoration

Elsinoë mangiferae, common name Mango Scab, is also known Denticularia mangiferae or Sphaceloma mangiferae (anamorph). It is an ascomycete plant pathogen native to tropical regions and specific for survival on only one host, the mango.

A serious outbreak of Phoma blight (Phoma glomerata) is a new disease of mango . The symptoms of the disease are noticeable only in the old leaves. Initially the lesions are minute, irregular, yellow to light brown, scattered over the leaf lamina. Fully developed spots are characterized by dark margins and dull grey necrotic centres. Under severe infection, infected leaves get defoliated. The disease can be effectively controlled by spraying copper oxychloride (0.3%) at fortnightly intervals.

In affected plants, twigs die from the tips back into old wood, giving a scorched appearance to the limb (Fig. 1). The young green twigs start withering first at the base and then extending outwards along the veins of leaf edges. The affected leaf turns brown and its margins roll upwards. Leaves scorch and fall, leaving a dead branch. In severe conditions, branches start drying one after another in a sequence, resulting in death of the whole tree.

The disease of mango is incited by Colletotrichum gloeosporioides Penz.  It affects all the above ground parts of the plant particularly leaves, petioles, twigs, blossoms and fruits. It is one of the important post-harvest diseases of mango.

The disease of mango is caused by Oidium mangiferae  Berthet. The disease affects inflorescence, leaves and young fruits. The white superficial powdery growth of the fungus comprising a large number of conidia borne on conidiophores.

Mango (Mangifera sp.) suffers from several diseases at all stages of its life. All the parts of the plant, namely, trunk, branch, twig, leaf, petiole, flower and fruit are attacked by a number of pathogens including fungi, bacteria and algae. They cause several kinds of rot , die back , anthracnose , scab , necrosis, blotch, spots, mildew , etc. Some of these diseases like powdery mildew are of great economic importance as they cause heavy losses in mango production.