Introduction

Diseases of Tea
    Introduction
    • Tea is an ancient, cultivated plant. It is used as a beverage in south India and china. A native of south east Asia, tea was first planted on a large scale in north India in 1834,while Dr.Christy experimented it in Nilgiri hills in 1832 in south India. Commercial tea planting was started at various tea growing regions like Nilgiris 1859 and Kannan Devan hills in 1878.
    • Tea research got started in north India during 1960 and 1926 in south India
    • Tea cultivation is localized in the eastern corner of Assam, East Bengal and Southern extremities of western ghats. The plantation in the south are distributed in the states of Tamil Nadu, Kerala and Karnataka. India is the largest tea producer, consumer and exporter as well.
    A. MAJOR DISEASES
    1. Root rot diseases
    • Brown root disease : Fomes lamoensis
    • Black root disease : Rosellinia arcuata
    • Red root rot : Poria hypolateritia
    • Armilariella root rot : Armiilartella mellea
    • Interroot disease : Botryodiplodia theobromae
    2. Blister blight : Exobasidiun vexans
    3. Grey blight : Pestalotia theae
    4. Black rot : Corticium invasum, C.theae
    5. Red rust : Cephaleuros mycoidea
    B. Minor diseases

Last modified: Friday, 22 June 2012, 12:01 PM