ACHIEVEMENTS AND OUTCOMES IN IMPLEMENTATION OF NAPIER SMUT AND STUNT RESISTANCE PROJECT IN TANZANIA Pallangyo B 1 , Maeda C 2 , Nsami E 1 , Proud J 3 , Hanson J 3, Katagira F 4 1 National Biological Control Programme BOX 30031, Kibaha, Tanzania 2 International Institute of Tropical Agriculture P.O.BOX 6224, Dar Es Salaam 3 International Livestock Research Institute, Addis Ababa, Ethiopia 4 Ministry of Agriculture Food Security and Cooperatives, Dar es Salaam Presented at the ASARECA/ILRI Workshop on Mitigating the Impact of Napier Grass Smut and Stunt Diseases, Addis Ababa, June 2-3, 2010

2.2. Assembling of Napier clones Collection of Napier materials from wild and farmers fields Assembling of Napier materials in nursery at ARI Kibaha Napier nursery at SRI Kibaha

Baseline survey area Fig 1. Napier stunt distribution in Tanzania.2008 NSD Infected areas 3. RESULTS 3.1.1. Disease incidence and severity

3.1.2. Disease incidences Fig 2: Preliminary findings on diseases and pests existing

3.3. Morphological characterization *(1=None; 3=Dense/Roughest) Table 1. Hairiness and Roughness in Napier clones

3. 4. Biomass ** and *** are p =0.05 and 0.001 respectively Table 2. Average performance of biomass parameters across the seasons

3 . 5 .Disease incidence & severity Table 3. Disease incidence & severity across seasons

3.6. Tolerance to NSD Fig 3. Disease tolerance among clones in different seasons

3.8.2 Information sharing 500 500 TOTAL 50 50 Muleba 100 100 Tarime 100 100 Meru 30 30 Moshi 30 40 Rombo 50 50 Lushoto 40 30 Mkinga 100 100 Muheza Leaflets Posters District

3.8.3. Information sharing

3.9.2. Previous vs current NSD status

3.9.3. Previous vs current NSD status NSD severity in Ndatu village, 2008 NSD severity in Ndatu village, 2010