Posts Tagged ‘drought tolerant maize’

Latest STMA Bulletin is out

Posted on annual meetings, Eastern Africa News, Eastern Africa Publications, Media&Stories, News, News release, Newsletters, Publications, January 16, 2020

Read the latest news from the Stress Tolerant Maize for Africa (STMA) initiative. This issue highlights stories on how stress tolerant maize is improving the lives of smallholder farmers in northern Uganda, after a two-decade civil war; why stress tolerant maize varieties are good for Africa and how CIMMYT and its partners are making systems work for both men and women, among others. Download the report here.

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Street theater amplifies need for stress tolerant maize varieties

Posted on Media&Stories, News, News Articles, West Africa News, West Africa Publications, January 7, 2020

The Stress Tolerant Maize in Africa (STMA) project team in Nigeria used street theater to drum up messages on how to mitigate stresses affecting maize production in the country. The messages targeted mainly the youth, informing them that with the right stress-resilient seed varieties and the application of recommended agronomic practices, they can turn farming into a lucrative and livelihood improving enterprise. The messages were developed by the STMA team in collaboration with the Adopted Village Project of the National Agricultural Extension and Research Liaison Services (NAERLS), the Nigerian Forum for Agricultural Advisory Services (NIFAAS) and the Theatre and Performing Arts Department of Ahmadu Bello University, Zaria.

Local artistes in Nigeria perform songs, dance and drama at different markets and streets to create awareness on the benefits of adopting stress resilient maize seed varieties.

Local troupes displayed their skills in song, dance and drama to relay messages on the need for youth to venture into climate-smart agriculture to overcome challenges of drought, current and emerging pests and diseases, as well as improve their yield.

The artistes amplified the benefits of adopting stress resilient maize seed varieties.

Seven such performances were enacted at various markets and streets in Nigeria between August and November 2019. The theme of the street performance was, “Smart people, smart farming”. Since 2017, the STMA team has effectively used this unique campaign method to mobilize communities in rural areas to take adopt stress tolerant maize seed varieties for improved yields and livelihoods.

The list of STMA-supported research publications from Eastern and Southern African region for the year 2019 is out

Posted on Eastern Africa Publications, Published Journals, Research Publication, Seed System Publication, Southern Africa Publications, November 17, 2019

The list of research publications supported by the STMA project for the year 2019 has been compiled. Breakthrough research findings cover adoption studies, evaluation of new maize breeding methodologies, identification of genetic markers for accelerated maize improvement for various stresses including maize lethal necrosis resistance, drought and heat tolerance,…

Amondo et al, 2019. Productivity and production risk effects of adopting drought-tolerant maize varieties in Zambia published in the International Journal of Climate Change Strategies and Management is accessible here

Awata et al, 2019. Maize lethal necrosis and the molecular basis of variability in concentrations of the causal viruses in co-infected maize plant, published in the Journal of General and Molecular Virology is accessible here

Awondo, S.N. et al, 2019. Multi-Site Bundling of Drought Tolerant Maize Varieties and Index Insurance, published in the Journal of Agricultural Economics is accessible here.

Buchaillot MB et al, 2019. Evaluating maize genotype performance under low nitrogen conditions using RGB UAV phenotyping techniques, published in Sensors. Accessible here

Chaikam V et al, 2019. Doubled haploid technology for line development in maize: technical advances and prospects, published in Theoretical and Applied Genetics. Accessible here.

Chaikam, V. et al, 2019. Genome-wide association study to identify genomic regions influencing spontaneous fertility in maize haploids, published in Euphytica, accessible here.  

Katengeza, S.P. et al, 2019. Adoption of Drought Tolerant Maize Varieties under Rainfall Stress in Malawi, published in the Journal of Agricultural Economics. Accessible here.  

Lunduka, R.W. et al, 2019. Impact of adoption of drought-tolerant maize varieties on total maize production in south Eastern Zimbabwe, published in the Climate and Development. Accessible here.  

Nair S et al, 2019. Genetic dissection of maternal influence on in vivo haploid induction in maize, published in The Crop Journal (in press)

Simtowe, F. et al, 2019. Impacts of drought-tolerant maize varieties on productivity, risk, and resource use: Evidence from Uganda, published in the Land Use Policy Journal. Accessible here.  

Simtowe, F. et al, 2019. Heterogeneous seed access and information exposure: implications for the adoption of drought-tolerant maize varieties in Uganda, published in the Agricultural and Food Economics Journal. Accessible here.  

Sitonik, C. et al, 2019. Published in Theoretical and Applied Genetics. Genetic architecture of maize chlorotic mottle virus and maize lethal necrosis through GWAS, linkage analysis and genomic prediction in tropical maize germplasm. Accessible here.

Tigist Mideksa Damesa et al, 2019. Comparison of weighted and unweighted stage-wise analysis for genome-wide association studies and genomic selection, to be published in Crop Science. The PhD dissertation is accessible here.

Wegary, D. et al, 2019. Molecular diversity and selective sweeps in maize inbred lines adapted to African highlands, published in Nature Scientific Reports. Accessible here.  

Wender et al 2019. Performance and Yield Stability of Maize Hybrids in Stress-prone Environments in Eastern Africa,  published in the Crop Journal. Accessible here.  

Not reported but published in 2018

Araus JL et al, 2018. Phenotyping: New Crop Breeding Frontier. In: R. A. Meyers (ed.), Encyclopedia of Sustainability Science and Technology, Springer Science+Business Media, LLC, part of Springer Nature 2018.

Das B et al, 2018. Identification of low N tolerant donors for maize breeding in sub-Saharan Africa. Published in Euphytica and accessible here.

Yuan Y et al., 2018. Genome-wide association mapping and genomic prediction analyses reveal the genetic architecture of grain yield and flowering time under drought and heat stress conditions in maize. Published in Frontiers in Plant Science and accessible here.

Impacts of drought-tolerant maize varieties on productivity,risk,and resource use : EvidencefromUganda

Posted on , November 17, 2019

Weather variability is an important source of production risk for rainfed agriculture in developing countries.

This paper evaluates the impacts of the adoption of drought-tolerant maize varieties on average maize yield,yield stability, risk exposure and resource use in rainfed smallholder maize farming. The study uses cross-sectional farm household-level data,collected from a sample of 840 farm households in Uganda.

The adoption of drought tolerant maize varieties increased yield by 15% and reduced the probability of crop failure by 30%.

We further show that the adoption of these varieties increased investments in maize production at the extensive margin through maize area increase and to a more limited extent at the intensive margin through mechanization.

The findings show promise for further uptake and scaling of drought-tolerant maize varieties for increased productivity,reduced risk, and the transformation of the maize sector.

Impact of adoption of drought-tolerant maize varieties on total maize production in south Eastern Zimbabwe

Posted on , November 17, 2019

Drought is a huge limiting factor in maize production, mainly in the rain-fed agriculture of sub-Saharan Africa. In response to this threat, drought-tolerant (DT) maize varieties have been developed with an aim to ensure maize production under mild drought conditions.

We conducted a study to assess the impact of smallholder farmers’ adoption of DT maize varieties on total maize production. Data for the study came from a survey of 200 randomly sampled households in two districts of Chiredzi and Chipinge in southeastern Zimbabwe.

The study found that 93% of the households were growing improved maize varieties and that 30% of the sampled households were growing DT maize varieties. Total maize yield was 436.5 kg/ha for a household that did not grow DT maize varieties and 680.5 kg/ha for households that grew DT maize varieties.

We control for the endogeneity of the DT adoption variable, by using the control function approach to estimate total maize production in a Cobb–Douglas model. The results show that households that grew DT maize varieties had 617 kg/ha more maize than households that did not grow the DT maize varieties. Given that almost all farmers buy their seeds in the market, a change in varieties to DT maize seeds gives an extra income of US$240/ha or more than nine months of food at no additional cost.

This has huge implications in curbing food insecurity and simultaneously saving huge amounts of resources at the household and national levels, which are used to buy extra food during the lean season.

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