2020 Vol.26 No.1 PP 88­-92

https://doi.org/10.33451/florafauna.v26i1pp88-92

Preliminary survey on diseases of Mango (Mangifera indica) under nursery conditions

^*Priya Lokare and Sumia Fatima ¹

Department of Botany,
Arts, Science and Commerce College,
RAHURI-413705 (M.S.) INDIA
¹Pesticides and Plant Protection Research Laboratory,
Dr. Rafiq Zakaria College for Women, AURANGABAD 431001 (M.S.) INDIA
*Corresponding Author : Email : priyalokare2@gmail.com

ABSTRACT

Mango saplings go through the many insect pests, fungal, bacterial diseases during nursery condition and these symptoms will persist till flowering and fruiting period and result in the huge economic losses. Majority mango saplings couldn’t reach upto flowering and fruiting stage it dies in the nursery conditions. This is major threat to the nursery owners because mango saplings having great demand all over the year, therefore buyers refuse to purchase diseased saplings. In the recent years the disease becomes severe in nursery plants, on young leaves, symptoms appear as irregular black necrotic spots on both sides. Pathogen present on the infected leaves, twig and fallen leaves serves as the major source of infection and spreads by rain splashed conidia. Survey was carried out to know the prevalence of diseases in nursery conditions for that Sanket Nursery Wakadi, Taluka Rahta was selected. There were 4 varieties of mango found in Sanket Nursery that were, Keshar, Payari, Mallika and Ratna. During the survey various fungal and insect pest diseases were observed. Anthracnose symptoms caused by Colletotrichum gloeosporioides, little leaf notcher, coconut scale, mango gall midge, white mango scale, stem blight, powdery mildew, hairy caterpillar etc. were found in large scale.

Key words : Colletotrichum gloeosporioides, Coconut scale, Hairy caterpillar, Mangifera indica, Mango gall midge.