Evidence map›Paper›PMID 38988630›Full record

ArticleFrontiers in plant science2024

Genetic trends in the Zimbabwe's national maize breeding program over two decades.

Ronica Mukaro, Davison Chaingeni, Clay Sneller, Jill E Cairns, Lennin Musundire, Boddupalli M Prasanna, Busiso Olga Mavankeni, Biswanath Das, Mable Mulanya, Walter Chivasa and 11 more

Abstract read
In one paragraph

Article in Frontiers in plant science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Article
  2. Article
  3. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

21 authors.

Ronica MukaroCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Davison ChaingeniCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Clay SnellerDepartment of Horticulture and Crop Science, The Ohio State University College of Food, Agriculture and Environmental Science, Columbus, OH, United States.
Jill E CairnsGlobal Maize Program, International Maize and Wheat Improvement Center (CIMMYT), Harare, Zimbabwe.
Lennin MusundireAccelerated Breeding Initiative (ABI)-Transform, International Maize and Wheat Improvement Centre (CIMMYT), Nairobi, Kenya.
Boddupalli M PrasannaGlobal Maize Program, International Maize and Wheat Improvement Centre (CIMMYT), Nairobi, Kenya.
Busiso Olga MavankeniCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Biswanath DasAccelerated Breeding Initiative (ABI)-Transform, International Maize and Wheat Improvement Centre (CIMMYT), Nairobi, Kenya.
Mable MulanyaIntegrated Breeding Platform (IBP), International Maize and Wheat Improvement Centre (CIMMYT), Nairobi, Kenya.
Walter ChivasaGlobal Maize Program, International Maize and Wheat Improvement Centre (CIMMYT), Nairobi, Kenya.
Xavier MhikeCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Thokozile NdhlelaCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Nakai MatongeraCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Prince Muchapondwa MatovaCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Dean MuunganiCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Charles MutimaambaCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Dagne WegaryGlobal Maize Program, International Maize and Wheat Improvement Center (CIMMYT), Harare, Zimbabwe.
Mainassara Zaman-AllahGlobal Maize Program, International Maize and Wheat Improvement Center (CIMMYT), Harare, Zimbabwe.
Cosmos MagorokoshoGlobal Maize Program, International Maize and Wheat Improvement Center (CIMMYT), Harare, Zimbabwe.
Victor ChingwaraCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.
Dumisani KutywayoCrop Breeding Institute, Department of Research & Specialist Services, Harare, Zimbabwe.

Funding

Gates Foundation INV-003439
6 · The paper itself

Abstract

Monitoring genetic gains within breeding programs is a critical component for continuous improvement. While several national breeding programs in Africa have assessed genetic gain using era studies, this study is the first to use two decades of historical data to estimate genetic trends within a national breeding program. The objective of this study was to assess genetic trends within the final two stages of Zimbabwe's Department of Research & Specialist Services maize breeding pipeline between 2002 and 2021. Data from 107 intermediate and 162 advanced variety trials, comprising of 716 and 398 entries, respectively, was analyzed. Trials were conducted under optimal, managed drought stress, low nitrogen stress, low pH, random stress, and disease pressure (maize streak virus (MSV), grey leaf spot (GLS), and turcicum leaf blight under artificial inoculation. There were positive and significant genetic gains for grain yield across management conditions (28-35 kg ha

Indexed as

breeding efficiencygenetic gaingenetic trendmaizeZimbabwe

Identifiers

PMID38988630
PMCPMC11234322

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.