Bionomics and management of major thrips species on agricultural crops in Africa

Author: R.T. Gahukar

Source: Outlook on Agriculture, Volume 33, Number 3, September 2004 , pp. 191-199(9)

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Outlook on Agriculture is an international peer-review journal devoted to agricultural science, policy and strategy. The journal is published quarterly and provides analysis, reviews and commentary for an international and interdisciplinary readership. Special attention is paid to agricultural policy, international trade in the agricultural sector, strategic developments in food production, the role of agriculture in social and economic development, agriculture in developing countries, and environmental issues. Readers include academics, policy makers and practitioners. For more details go to www.ippublishing.com
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Abstract:

Several thrips species are known to cause serious damage to agricultural crops in Africa. However, only five species of the family Thripidae are considered as economic pests, namely, Frankliniella schultzei (Trybom), Megalurothrips sjostedti (Trybom), Scirtothrips aurantii Faure, Sericothrips adolfifriderici Karny and Thrips tabaci (Lindeman). Nymphs and adult thrips suck the sap from leaf buds, leaves, flower buds, flowers and fruits, which become deformed or remain underdeveloped, often showing scars. Some species act as major vectors of viral plant diseases. Current pest-control practices include using resistant plant varieties, biological agents, cultural operations and chemical pesticides. However, more information is needed to formulate an effective, low-cost and eco-friendly pest-management strategy that can be adopted sustainably in the existing agricultural framework.

Keywords: THRIPS SPECIES; PEST STATUS AND BIONOMICS; CONTROL MEASURES; IPM

Document Type: Research article