M. Mulaa 1 , C. Lusweti 1 , B. Awalla 1 , C. Kute, D. Asena 1 S. Rono 1 , F. Muyekho 2 , J. Hanson 3 and J. Proud 3 1 KARI Kitale, 2 KARI Kakamega, 3 ILRI Ethiopia Presented at the ASARECA/ILRI Workshop on Mitigating the Impact of Napier Grass Smut and Stunt Diseases, Addis Ababa, June 2-3, 2010 NAPIER STUNT AND SMUT RESISTANCE PROJECT IN KENYA Achievements and Outcomes

KARI Vision KARI envisions “a vibrant commercially-oriented and competitive agricultural sector propelled by science, technology and innovation”. Introduction

KARI Mission To contribute to increased productivity, commercialization and competitiveness of the agricultural sector through generation and promotion of knowledge, information and technologies that respond to clients’ demands and opportunities. Introduction

Opportunities Napier is a major livestock feed in Kenya with several uses -Stem borer and Striga control (Push-pull) -Augementation of natural enemies -Soil conservation -Sold for cash Introduction

Introduction ……. Napier potential yields 50-100 tons green matter per hectare

Stunt and Smut major diseases of Napier Margaret Mulaa CRAC Presentation 7- April- 2009 Napier Stunt and Smut Resistant Clones and effective Management strategies demanded by farmers

Global positioning system reading were taken from all house holds surveyed

Stunt and Smut incidence in Western Kenya mapped

Baselines on disease incidence in Western and Central Kenya in 2008 District Stunt District Stunt on farmers own fields Smut District Smut on farmers own fields Bungoma 89.7 27.3 5.2 7.7 Mumias 96.4 21.0 4.8 5.1 Butere 98.0 26.0 1.0 1.3 Busia 87.3 18.1 2.5 2.6 Kiambu 20.7 4.7 37.9 42.3 Muranga 12.9 2.9 37.6 41.0

Biomass Studies

Morphological Characterization of 120 clones

Screen house trials under artificial Challenge

Farmer evaluating and Ranking Napier Clones at Alupe

Stakeholder Identification KARI Media Private Sector Other Researchers Schools Universities CBO’s Local Leaders NGO’s Farmers Extension System

Number of Farmers Reached Districts Field days Workshops Bungoma Choisiana Kanduyi 500 1060 100 50 Mumias East Wanga Matungu 600 260 87 76 Kiambu Kiamba 1500 870 195 400 Muranga 243 55 Kitale Total 1053 6086 40 1003 (7089)

Key Informant Meetings Leaders of Community Based Organizations in Bungoma District

Stakeholder field day at Alupe

Partners in Napier stunting Disease Research

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