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Summary
This demand-driven study is an attempt to address a couple of biotic
and abiotic potato constraints. The action re...
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Participatory action research in CSVs of Tanzania: fast track for new potato resilient varieties

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Poster presented during the CSA global conference in Montpelier, France in March 2015. Study was conducted in the densely populated Lushoto district, Northern Tanzania to identify better potato varieties that will enable farmers to plant potatoes year round while increasing yields. For more information, please contact D.Harahagazwe@cgiar.org

Read more: http://ccafs.cgiar.org/3rd-global-science-conference-%E2%80%9Cclimate-smart-agriculture-2015%E2%80%9D#.VRurLUesXX4

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Participatory action research in CSVs of Tanzania: fast track for new potato resilient varieties

  1. 1. Summary This demand-driven study is an attempt to address a couple of biotic and abiotic potato constraints. The action research model applied is intensive as it combines training-of-trainers (ToT) and participatory varietal selection experiments. The ToT comprised five training modules that spanned two growing seasons. The first three modules were designed by facilitators whereas the second round was participant-led. Twenty one participants representing various stakeholders attended the ToT. Moreover, one mother and twenty-nine baby trials were conducted in Lushoto, Kwesine, Boheloi and Maringo villages. The experiment comprised six CIP advanced clones, three improved varieties and Kidinya as local check. Results showed very promising genotypes for fresh tuber yield and resistance/tolerance to Late Blight (LB) during the main season. Three clones (CIP398208.29, CIP388676.1 and CIP392797.22) along with varieties Shangii and Asante were the most preferred by farmers regardless of gender for their resistance/tolerance to LB and yield. The same materials confirmed their high performance during the second season despite high temperatures and severe dry spell. Furthermore they produced high quality chips and tasty boiled potatoes. These genotypes are now all proposed by farmers for release except Asante which has been recently released in Tanzania. Introduction Lushoto is the most densely populated rural district in Tanzania. Situated in the North-east of the country, Lushoto is part of the highlands of Tanzania where potatoes are traditionally grown. Statistics show that Lushoto produces more potatoes than some countries like Burundi, Democratic Republic of Congo or Mozambique. Even though potato is a traditional crop, farmers can plant economically only once a year due to heat during the short rainy season. Potato productivity is severely reduced by high temperature, drought and climate-driven pests and diseases such as aphids, Late Blight and viruses. The present study initiated on farmers’ request is an attempt to respond to some of these bioclimatic challenges by empowering farmers to plant year round while increasing yields through participatory action research. Materials and Methods The action research model applied is intensive, as most of the partners involved in facilitation are also trainees. Tested for the first time in Mozambique, the approach consists of combining training-of- trainers (ToT) and participatory varietal selection experiments (Fig.1). Figure 3. Contrasting behavior to LB of two genotypes from the same experimental block photographed almost at the same time. Note that fields were sprayed using contact and systemic fungicides. Results Results obtained showed very highly significant difference between genotypes for their resistance/tolerance to Late Blight (LB) and fresh tuber yield (Fig. 3). Participatory assessments were confirmed by statistical analysis and three CIP clones (CIP398208.29, CIP392797.22 and CIP388676.1) were selected by farmers for their overall performance, including organoleptic attributes (Fig. 5). Figure 1. Participants to the 2-day ToT sessions: meeting room sessions (Left) normally followed by field practice (Right) on the second day. Technical school interns also participated to the field work. In the present study, a total of twenty one participants representing farmers, extension services and NGOs attended the ToT. One Mother and twenty-nine Baby trials were conducted in Lushoto, Kwesine, Boheloi and Maringo villages. The experiment comprised six CIP potentially resilient and high yielding clones, three improved varieties and Kidinya as local check. FigureFigureFigureFigure 2.2.2.2. Average temperature (Left) and rainfall (Right) that prevailed in Lushoto respectively during the two seasons and short rainy season. LRS=Long rainy season, SRS=Short rainy season. Temperature increased by 6°C from one season to the other and trials were planted on 5 – 7 November 2014. Figure 4. Participatory Assessment of LB Resistance/tolerance of Mother and Baby Trials using maize grains (males) and bean grains (females) during the LRS (Left), and Average Fresh Tuber Yield from the two seasons (Right) . Figure 5. Participatory assessment of organoleptic attributes conducted by 57 panelists in Kwesine (left) and 24 panelists in Maringo (right) for the genotypes selected in the wetter season and re-tested in the warmer (up to 6°C increase) and dryer season (rains only during the first 2 months) . On the other hand Kidinya, a local variety was unanimously qualified as “ source of poverty” by farmers participating in various assessments. Most of farmers who had planted this variety during the main season totally lost their crop due to high LB pressure that prevailed in the district. Conclusions • Four genotypes (CIP398208.29, CIP392797.22, CIP388676.1 and Shangii are recommended by farmers and other stakeholders for formal release. • Variety Obama revealed to be Shangii, a Kenyan farmers’ variety but very famous on the market. Obama crossed the border when the current US President was campaigning for the first term. • No significant difference observed between men’s and women’s preferences in the different assessments conducted. Bibliography • Förch W. Sijmons K,Mutie I, Kiplimo J, Cramer L, Kristjanson P, Thornton P, Radeny M, Moussa A and Bhatta G (2013). Core Sites in the CCFS regions: East Africa, West Africa and South Asia, Version 3. CGIAR Research Program on Climate Change, Agriculture and Food Security (CCFAS). Copenhagen, Denmark. Available online at: www.ccafs.cgiar.org. • International Potato Center. Mother & Baby Trial Design. Evaluation and Data Collection Guide. 20 pages. D. Harahagazwe1, R. Quiroz1, E. Schulte- Geldermann1, A. Amele1, V. Mares1, S. Kuoko2, G. Sayula2, G. Brush2, E. Msoka3 and M. Rimoy3 1International Potato Center (CIP) 2Nothern Zone Agricultural Research Institute (NZARDI), P.O. Box 6024, Arusha, Tanzania 3District Agriculture, Irrigation and Cooperatives Office, Lushoto, Tanzania fast track for new potato resilient varieties Participatory action research in CSVs of Tanzania: The ToT comprised five training modules that spanned two growing seasons, three modules during the long rainy season (LRS) and two in the subsequent short rainy season. The topics covered in LRS were selected by facilitators in order to cover important aspects of integrated crop management. The second round of training was participant-led as topics emerged from the first round. Acknowledgements This study is being funded by CCAFS, CIP and the Government of the United Republic of Tanzania. Day (from 1 November 2014) 0 10 20 30 40 50 60 70 80 90 Rainfall(mm) 0 10 20 30 40 Kwesine Village Genotype ShangiiCIP 398208.2 9 Kid in yaCIP 392797.2 2 AsanteC IP 388676.1 TotalVote(numberofgrains) 0 10 20 30 40 50 60 70 Chips - Males Chips - Females Boiled potatoes - Males Boiled potatoes - Females Maringo Village Genotype Asante CIP 388676.1CIP392797.2 2 Kid in ya ShangiiCIP398208.2 9 TotalVote(numberofgrains) 0 10 20 30 40 Chips - Males Chips - Females Boiled potatoes - Males Boiled potatoes - Females Genotype CIP388676.1C IP 398208.2 9CIP392797.2 2 Shangii Asante Kid in ya FreshTuberYield(t.ha-1) 0 10 20 30 40 50 2014 Long rainy season 2014 Short rainy season Late Blight Resistance/tolerance Genotype C IP 398208.2 9 Asante O bam a Shangii C IP 388676.1 C IP 300055.3 2 CIP392797.2 2 C IP 390478.9 C IP 397073.7 Kid in ya TotalVote(numberofgrains) 0 20 40 60 80 100 Females Males Days after planting 0 10 20 30 40 50 60 70 80 90 100 110 120 130 Dailyaveragetemperature(0C) 12 14 16 18 20 22 24 LRS2014 SRS2014 Contact: d.harahagazwe@cgiar.org

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