Measures to Control Mango Malformation

Mango malformation disease is a condition that can impact mango trees, whether they're just starting out or have been in your orchard for years. Trees that are fully grown might show some odd growth patterns in their leaves, branches, and blossoms. Younger trees, like the little ones you'd see in a plant nursery, can be hit hard by this disease. Their leaves can grow in strange shapes, which can cause the tree to grow much slower than normal.

     

• Type of Infestation: Disease
• Common Name: Mango Malformation 
• Scientific Name: Fusarium moliliforme var. subglutinans
• Category of Plant Disease: Fungal Disease
• Mode of spread: Fungal spores, Mango bud mite, Budwood and grafting, Movement of infected plant parts
• Affected parts of plant: Shoots, Leaves, Flowers, Panicles

Favorable factors for disease/Pest Development:

• Warm temperatures: Temperatures between 25°C and 30°C are optimal for fungal growth and disease severity.
• High humidity: Above 80% relative humidity provides a moist environment perfect for fungal spore germination and infection.
• Rainfall during flowering: Rain showers and prolonged wet periods during flowering facilitate spore dispersal and infection of susceptible flower buds.

         

Symptoms:

Abnormal, compact development of shoots and flowers are common signs of mango malformation disease. Both normal growth and mango malformation disease–affected growth may be present on a plant at the same time. 

Shoots: 

Flowers:

Affected flower stems or panicles are thickened and highly branched, producing up to three times the normal number of flowers. 

Mango:

fruit There are no impacts on human health from mango malformation disease and mango fruit is safe to eat. 

Control Measures for Mango Malformation Disease:

Product	Technical Name	Dosage
Samartha	Carbendazim 12 % + Mancozeb 63 % WP	Use 300-400 grams per acre
FIX IT	Alpha Naphthyl Acetic Acid 4.5 % SL	used 1 - 1.5 ml in 4.5 Liter of water
Zinc EDTA 12%		Dissolve 100 grams of Katyayani zinc edta 12 % in 150-200 litres of water and spray over one acre of standing crop on both sides of leaves.
Copper Sulphate		400 gm / Acre