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Featured researches published by David M. Amudavi.


Archive | 2011

Integrated pest management training and information flow among smallholder horticulture farmers in Kenya.

N. Bekele; D. Mithöfer; David M. Amudavi; Gideon A. Obare; H. Waibel

Horticulture is a key sector of the Kenyan economy. It improves household welfare through providing income, satisfying domestic food needs and improving human nutrition. Next to market access pests and diseases are the major constraints. With the adoption of Farmer Field Schools (FFS) and Common Interest Groups (CIG) as information sources in horticultural production, it is not yet understood how effective the two approaches enhance environmentally and health friendly production practices such as integrated pest management (IPM). It is expected that IPM information is to a greater extent communicated among farmers belonging to farmer groups because of the enhanced interaction among group members. This paper presents findings of farmer preferences in the choice of information sources and assesses factors that influence IPM information reception and sharing. The analysis applies a bivariate probit regression model for reception and sharing of IPM information to survey data from a random sample of 487 smallholder horticultural producers who are either FFS members, CIG members or non-group based farmers. IPM information and knowledge in this paper is defined as a range of practices including scouting, sanitation, crop rotation, mixed cropping, hand picking, solarisation, planting resistant varieties, applying plant extracts and selective pesticide application. Findings show that government extension staff, NGOs, friends, and neighbours are the three most important information sources for horticulture production and IPM. FFS farmers have more knowledge on IPM practices than CIG and non-group based farmers. Regression results show that membership in farmer groups, gender, education, locality, household size, land per capita, distance to extension service, frequency of listening to radio and literate household members significantly influence information flow. FFS farmers are more likely to receive IPM information than individual farmers whereas CIG farmers are not distinguishable from individual farmers with respect to receiving IPM information. Unlike FFS and non group based framers, CIG farmers are more likely to share IPM information. Implications may be that the intensive training of FFS farmers promotes information reception and knowledge accumulation but promotes close knit interaction in the group which prevents information leaving the group. This is being further tested.


Crop Protection | 2008

Economic performance of the ‘push–pull’ technology for stemborer and Striga control in smallholder farming systems in western Kenya

Zeyaur R. Khan; Charles A. O. Midega; Esther M. Njuguna; David M. Amudavi; Japhether M. Wanyama; John A. Pickett


Crop Protection | 2008

Farmers’ perceptions of a ‘push–pull’ technology for control of cereal stemborers and Striga weed in western Kenya

Zeyaur R. Khan; David M. Amudavi; Charles A. O. Midega; Japhether M. Wanyama; John A. Pickett


Crop Protection | 2009

Assessment of Technical Efficiency of Farmer Teachers in the Uptake and Dissemination of Push-Pull Technology in Western Kenya

David M. Amudavi; Zeyaur R. Khan; Japhether M. Wanyama; Charles A. O. Midega; Jimmy O. Pittchar; Isaac Mbeche Nyang'au; Ahmed Hassanali; John A. Pickett


Crop Protection | 2009

Evaluation of farmers' field days as a dissemination tool for push-pull technology in Western Kenya.

David M. Amudavi; Zeyaur R. Khan; Japhether M. Wanyama; Charles A. O. Midega; Jimmy O. Pittchar; Ahmed Hassanali; John A. Pickett


Crop Protection | 2009

Integration of edible beans (Phaseolus vulgaris L.) into the push-pull technology developed for stemborer and Striga control in maize-based cropping systems

Zeyaur R. Khan; Charles A. O. Midega; Japhether M. Wanyama; David M. Amudavi; Ahmed Hassanali; Jimmy O. Pittchar; John A. Pickett


Crop Protection | 2011

Duration analysis of technology adoption effects of dissemination pathways: A case of ‘push–pull’ technology for control of Striga weeds and stemborers in Western Kenya

Alice W. Murage; Gideon A. Obare; J. Chianu; David M. Amudavi; John A. Pickett; Zeyaur R. Khan


Quarterly Journal of International Agriculture | 2012

The Effectiveness of Dissemination Pathways on Adoption of “Push-Pull” Technology in Western Kenya

Alice W. Murage; Gideon A. Obare; Jonas Chianu; David M. Amudavi; Charles A. O. Midega; John A. Pickett; Zeyaur R. Khan


International Journal of Pest Management | 2011

Determining smallholder farmers' preferences for technology dissemination pathways: the case of ‘push–pull’ technology in the control of stemborer and Striga weeds in Kenya

Alice W. Murage; David M. Amudavi; Gideon A. Obare; J. Chianu; Charles A. O. Midega; John A. Pickett; Zeyaur R. Khan


Archive | 2007

Enhancing the Push-Pull strategy

David M. Amudavi; Zeyaur R. Khan; John A. Pickett

Collaboration


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Zeyaur R. Khan

International Centre of Insect Physiology and Ecology

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Charles A. O. Midega

International Centre of Insect Physiology and Ecology

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Japhether M. Wanyama

International Centre of Insect Physiology and Ecology

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Alice W. Murage

International Centre of Insect Physiology and Ecology

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Jimmy O. Pittchar

International Centre of Insect Physiology and Ecology

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Esther M. Njuguna

International Centre of Insect Physiology and Ecology

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J. Chianu

World Agroforestry Centre

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Zeyaur R. Khan

International Centre of Insect Physiology and Ecology

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