HAZARIKA, L K and Bhuyan, M and Hazarika, B N
(2009)
Insect pests of tea and their management.
Annual Review of Enlomology, 54.
pp. 267-284.
Abstract
Globally, 1031 species of arthropods are associated with the intensively
managed tea Camellia sinensis (L.) O. Kuntze monoculture. All parts of
the plant, leaf, stem, root, flower, and seed, are fed upon by at least one
pest species, resulting in an 11%–55% loss in yield if left unchecked.
There has been heavy use of organosynthetic pesticides since the 1950s
to defend the plant against these pests, leading to rapid conversion of
innocuous species into pests, development of resistance, and undesirable
pesticide residues in made tea. As a result of importer and consumer
concerns, pesticide residues have become a major problem for the tea
industry. Integrated pest management (IPM) may help to overcome the
overuse of pesticides and subsequent residues.We review the advances
made in our understanding of the biology and ecology of major insect
and mite pests of tea, host plant resistance, cultural practices, biocontrol
measures, and need-based application of botanicals and safer pesticides
to understand the present status of IPM and to identify future challenges
to improvement.
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