Socio-Economic and Scientific Impact Created by Whitefly-Transmitted, Plant- Virus Disease Resistant Tomato Varieties in Southern India

doi:10.1016/S1671-2927(00)8551

Journal of Integrative Agriculture ›› 2012, Vol. 11 ›› Issue (2): 337-345.DOI: 10.1016/S1671-2927(00)8551

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Socio-Economic and Scientific Impact Created by Whitefly-Transmitted, Plant- Virus Disease Resistant Tomato Varieties in Southern India

John Colvin, N Nagaraju, Carlos Moreno-Leguizamon, R M Govindappa, T B Manjunatha Reddy, SA Padmaja, Neena Joshi, Peter M Hanson, Susan E Seal , V Muniyappa

1.Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent, ME4 4TB, United Kingdom
2.University of Agricultural Sciences, G.K.V.K. Bangalore 560065, India
3.AVRDC-The World Vegetable Center, P.O. Box 42 Shanhua, Tainan 74199, P.R.China

收稿日期:2011-04-15 出版日期:2012-02-01 发布日期:2012-02-11
通讯作者: Correspondence John Colvin, Tel: +44-1634-883310, E-mail: j.colvin@greenwich.ac.uk
作者简介:Correspondence John Colvin, Tel: +44-1634-883310, E-mail: j.colvin@greenwich.ac.uk
基金资助:
The research described in this paper was funded by the Department for International Development, UK (DFID project codes R6627, R7460, R8247 (Crop Protection Programme) and Phase III of the International Whitefly Project).

Socio-Economic and Scientific Impact Created by Whitefly-Transmitted, Plant- Virus Disease Resistant Tomato Varieties in Southern India

John Colvin, N Nagaraju, Carlos Moreno-Leguizamon, R M Govindappa, T B Manjunatha Reddy, SA Padmaja, Neena Joshi, Peter M Hanson, Susan E Seal , V Muniyappa

1.Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent, ME4 4TB, United Kingdom
2.University of Agricultural Sciences, G.K.V.K. Bangalore 560065, India
3.AVRDC-The World Vegetable Center, P.O. Box 42 Shanhua, Tainan 74199, P.R.China

Received:2011-04-15 Online:2012-02-01 Published:2012-02-11
Contact: Correspondence John Colvin, Tel: +44-1634-883310, E-mail: j.colvin@greenwich.ac.uk
About author:Correspondence John Colvin, Tel: +44-1634-883310, E-mail: j.colvin@greenwich.ac.uk
Supported by:
The research described in this paper was funded by the Department for International Development, UK (DFID project codes R6627, R7460, R8247 (Crop Protection Programme) and Phase III of the International Whitefly Project).

摘要/Abstract

摘要： Research carried out to assess the impact of open-pollinated Tomato leaf curl virus (ToLCV)-resistant tomatoes and hybrids on the livelihoods of resource-poor farmers in Southern India is described and discussed. Three high-yielding ToLCV-resistant tomato varieties were developed initially using conventional breeding and screening techniques involving inoculation by ToLCV-viruliferous whitefly, Bemisia tabaci. In 2003 and 2004, respectively, these varieties were released officially by the Karnataka State Seed Committee and the Indian Ministry of Agriculture through notification in the Gazette of India. From 2003 to 2005, eleven seed companies bought breeder seed of the ToLCV-resistant varieties and used them to begin breeding F1 hybrids from them. Socio-economic studies carried out to assess the benefits obtained from growing the ToLCV-resistant varieties found that farmers could gain up to 10 times the profit by growing the ToLCV-resistant varieties compared to the pre-existing ToLCV-susceptible varieties. Adoption of ToLCV-resistant tomatoes was also associated with reduced pesticide use. Extra income from tomato sales was prioritised by farmers to pay for children’s education, better nutrition and medicines. In a joint effort with the commercial seed sector in India, a promotional field day was organised in 2007. As well as the three ToLCV-resistant varieties, 62 ToLCV-resistant hybrid tomatoes were exhibited during a farmer-field day by 17 commercial seed companies and several public institutes. Tomatoes with ToLCV-resistance are now grown widely in South India and seeds of the three open-pollinated varieties have been distributed to more than 12 countries. In 2007, a conservative estimate of the financial-benefit to cost of the research ratio was already more than 837:1.

关键词: Bemisia tabaci, begomovirus, international development, tomato, resistance, Tomato leaf curl virus

Abstract: Research carried out to assess the impact of open-pollinated Tomato leaf curl virus (ToLCV)-resistant tomatoes and hybrids on the livelihoods of resource-poor farmers in Southern India is described and discussed. Three high-yielding ToLCV-resistant tomato varieties were developed initially using conventional breeding and screening techniques involving inoculation by ToLCV-viruliferous whitefly, Bemisia tabaci. In 2003 and 2004, respectively, these varieties were released officially by the Karnataka State Seed Committee and the Indian Ministry of Agriculture through notification in the Gazette of India. From 2003 to 2005, eleven seed companies bought breeder seed of the ToLCV-resistant varieties and used them to begin breeding F1 hybrids from them. Socio-economic studies carried out to assess the benefits obtained from growing the ToLCV-resistant varieties found that farmers could gain up to 10 times the profit by growing the ToLCV-resistant varieties compared to the pre-existing ToLCV-susceptible varieties. Adoption of ToLCV-resistant tomatoes was also associated with reduced pesticide use. Extra income from tomato sales was prioritised by farmers to pay for children’s education, better nutrition and medicines. In a joint effort with the commercial seed sector in India, a promotional field day was organised in 2007. As well as the three ToLCV-resistant varieties, 62 ToLCV-resistant hybrid tomatoes were exhibited during a farmer-field day by 17 commercial seed companies and several public institutes. Tomatoes with ToLCV-resistance are now grown widely in South India and seeds of the three open-pollinated varieties have been distributed to more than 12 countries. In 2007, a conservative estimate of the financial-benefit to cost of the research ratio was already more than 837:1.

Key words: Bemisia tabaci, begomovirus, international development, tomato, resistance, Tomato leaf curl virus

John Colvin, N Nagaraju, Carlos Moreno-Leguizamon, R M Govindappa, T B Manjunatha Reddy, SA Padmaja, Neena Joshi, Peter M Hanson, Susan E Seal , V Muniyappa . Socio-Economic and Scientific Impact Created by Whitefly-Transmitted, Plant- Virus Disease Resistant Tomato Varieties in Southern India[J]. Journal of Integrative Agriculture, 2012, 11(2): 337-345.

参考文献

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Socio-Economic and Scientific Impact Created by Whitefly-Transmitted, Plant- Virus Disease Resistant Tomato Varieties in Southern India

Socio-Economic and Scientific Impact Created by Whitefly-Transmitted, Plant- Virus Disease Resistant Tomato Varieties in Southern India

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