The Global Popcorn Project

Denise Costich (2020, [Dataset])

The Global Popcorn Project began in 2014, by asking the basic question: How many popcorn accessions do we have in the Maize Collection of the CIMMYT Maize and Wheat Germplasm Bank? Six years later, we are closing in on answering that basic question and have also moved on to more complicated ones, with the help of an international team of graduate students and their supervising professors, from Mexico, Brazil and China. We are starting with the phenotyping guides (in English and Spanish) and the first data set compiled in 2014, using the methodology described in the manuals, and we will be continually updating this site with publications and their supporting data sets. Don’t miss the video of our phenotyping team in action! This project was carried out as a collection-related activity of the Maize Collection in the CIMMYT Germplasm Bank, supported by the CGIAR Genebank Platform and the Global Crop Diversity Trust. The graduate students involved in the project were supported during their internships in the germplasm bank as follows: Braulio Torres: Programa de Formación y Desarrollo de Científicos y Tecnólogos, Consejo Nacional de Ciencia y Tecnología (CONACYT-Mexico); Natalia Almeida: Programa Ciência sem Fronteiras - Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq - Brazil) and Jing Li: Chinese Scholarship Council (CSC).

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SeeD GWAS Panel Accession Collection Site GIS-Derived Environmental Data

Sarah Hearne Kai Sonder (2018, [Dataset])

Historic accession collection site environmental data derived from CRU and other data resources.

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Genotype x environment interaction and GWAS in a durum panel under yield potential, drought stress, and heat stress conditions

Sivakumar Sukumaran Matthew Paul Reynolds Carolina Sansaloni (2017, [Dataset])

GWAS identifies common loci under stressed and non-stressed environments.

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TAMASA Ethiopia. Yield, soil and agronomy data from farmers’ maize fields collected by CSA, 2015 season

MESFIN KEBEDE DESTA (2017, [Dataset])

This files ontains yiedl and soils data coillected by CSA (Central Statistical Agency) from four zones in Oromia (East Showa, Wollega, West and South West Showa and Jimma) and one Zone in Amhara (West Gojjam). A total of 38 primary sampling units were covered and making a total of 383 sampling points. Unreplicated crop cuts were made on farmers maize fields and yield measured. Soil samples were also collected at 0-20 and 20-50cm but are not all analysed yet.

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1st to 10th High Temperature Wheat Yield Trial

Ravi Singh Thomas Payne (2019, [Dataset])

CIMMYT annually distributes improved germplasm developed by its researchers and partners in international nurseries trials and experiments. The High Temperature Wheat Yield Trial (HTWYT) is a replicated yield trial that contains spring bread wheat (Triticum aestivum) germplasm adapted to Mega-environment 1 (ME1) which represents high temperature areas.

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FAO-SIAC Estimating CA adoption in Sinaloa, Mexico (calibration sites)

Kai Sonder Guillaume Chomé (2017, [Dataset])

Use of remote sensing based radar images for zero tillage detection in Sinaloa, Mexico.

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22nd to 34th International Durum Screening Nursery

Karim Ammar Thomas Payne (2017, [Dataset])

International Durum Screening Nursery (IDSN) distributes diverse CIMMYT-bred spring durum wheat germplasm adapted to irrigated and variable moisture stressed environments. Disease resistance and high industrial pasta quality are essential traits possessed in this germplasm. It is distributed to 100 locations, and contains 150 entries.

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12th to 34th International Durum Yield Nursery

Karim Ammar Thomas Payne (2017, [Dataset])

International Durum Yield Nurseries are replicated yield trials designed to measure the yield potential and adaptation of superior CIMMYT-bred spring durum wheat germplasm that have been developed from tests conducted under irrigation and induced stressed cropping conditions in northwest Mexico. These materials have been subjected to numerous diseases (leaf, stem and yellow rust; Septoria tritici blotch) and varied growing environments. It is distributed to 70 locations, and contains 50 entries.

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10th to 19th Semi-Arid Wheat Screening Nursery

Ravi Singh Thomas Payne (2017, [Dataset])

The Semi-Arid Wheat Screening Nursery (SAWSN) is a single replicate trial that contains diverse spring bread wheat (Triticum aestivum) germplasm adapted to low rainfall, drought prone, semi-arid environments typically receiving less than 500 mm of water available during the cropping cycle. CIMMYT's breeding approach attempts to combine high yield potential with drought resistance for ME4. The combination of water-use efficiency and water responsive traits plus yield potential is important in drought environments where rainfall is frequently erratic across years. When rains are significantly above average in certain years, the crop must respond appropriately (water responsive) with higher yields, while expressing resistance to the wider suite of diseases that appear under more favorable conditions. Constrains including leaf, stem and yellow rusts, and Septoria spp., Fusarium spp., Pyrenophora tritici-repentis tan spot, nematodes and root rots must be considered. It is distributed to 120 locations, and contains 150-250 entries.

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1st to 10th Semi-Arid Wheat Yield Trial

Ravi Singh Thomas Payne (2017, [Dataset])

The Semi-Arid Wheat Yield Trial (SAWYT) is a replicated yield trial that contains spring bread wheat (Triticum aestivum) germplasm adapted to low rainfall, drought prone environments typically receiving less than 500 mm of water available during the cropping cycle. The combination of water-use efficiency and water responsive broad adaptation plus yield potential is important in drought environments where rainfall is frequently erratic across and within years. Stripe rust, leaf rust and stem rust, root rots, nematodes, and bunts are the key biotic constraints. Typical target environments include winter rain or Mediterranean-type drought associated with post-flowering moisture stress and heat stress such as those found at Aleppo (Syria), Settat (Morocco) and Marcos Juarez (Argentina), all classified by CIMMYT within Wheat Mega Environment 4 (Low rainfall, semi-arid environment; ME4: SA). It is distributed to 150 locations, and contains 50 entries.

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